/*
THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to2, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to2, key) && key !== except)
        __defProp(to2, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to2;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var __publicField = (obj, key, value) => {
  __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
  return value;
};

// main.ts
var main_exports = {};
__export(main_exports, {
  default: () => ColoredTagsPlugin
});
module.exports = __toCommonJS(main_exports);
var import_obsidian2 = require("obsidian");

// node_modules/colorjs.io/dist/color.js
function multiplyMatrices(A, B) {
  let m3 = A.length;
  if (!Array.isArray(A[0])) {
    A = [A];
  }
  if (!Array.isArray(B[0])) {
    B = B.map((x) => [x]);
  }
  let p2 = B[0].length;
  let B_cols = B[0].map((_, i) => B.map((x) => x[i]));
  let product = A.map((row) => B_cols.map((col) => {
    let ret = 0;
    if (!Array.isArray(row)) {
      for (let c4 of col) {
        ret += row * c4;
      }
      return ret;
    }
    for (let i = 0; i < row.length; i++) {
      ret += row[i] * (col[i] || 0);
    }
    return ret;
  }));
  if (m3 === 1) {
    product = product[0];
  }
  if (p2 === 1) {
    return product.map((x) => x[0]);
  }
  return product;
}
function isString(str) {
  return type(str) === "string";
}
function type(o) {
  let str = Object.prototype.toString.call(o);
  return (str.match(/^\[object\s+(.*?)\]$/)[1] || "").toLowerCase();
}
function toPrecision(n2, precision) {
  n2 = +n2;
  precision = +precision;
  let integerLength = (Math.floor(n2) + "").length;
  if (precision > integerLength) {
    return +n2.toFixed(precision - integerLength);
  } else {
    let p10 = 10 ** (integerLength - precision);
    return Math.round(n2 / p10) * p10;
  }
}
function parseFunction(str) {
  if (!str) {
    return;
  }
  str = str.trim();
  const isFunctionRegex = /^([a-z]+)\((.+?)\)$/i;
  const isNumberRegex = /^-?[\d.]+$/;
  let parts = str.match(isFunctionRegex);
  if (parts) {
    let args = [];
    parts[2].replace(/\/?\s*([-\w.]+(?:%|deg)?)/g, ($0, arg) => {
      if (/%$/.test(arg)) {
        arg = new Number(arg.slice(0, -1) / 100);
        arg.type = "<percentage>";
      } else if (/deg$/.test(arg)) {
        arg = new Number(+arg.slice(0, -3));
        arg.type = "<angle>";
        arg.unit = "deg";
      } else if (isNumberRegex.test(arg)) {
        arg = new Number(arg);
        arg.type = "<number>";
      }
      if ($0.startsWith("/")) {
        arg = arg instanceof Number ? arg : new Number(arg);
        arg.alpha = true;
      }
      args.push(arg);
    });
    return {
      name: parts[1].toLowerCase(),
      rawName: parts[1],
      rawArgs: parts[2],
      // An argument could be (as of css-color-4):
      // a number, percentage, degrees (hue), ident (in color())
      args
    };
  }
}
function last(arr) {
  return arr[arr.length - 1];
}
function interpolate(start, end, p2) {
  if (isNaN(start)) {
    return end;
  }
  if (isNaN(end)) {
    return start;
  }
  return start + (end - start) * p2;
}
function interpolateInv(start, end, value) {
  return (value - start) / (end - start);
}
function mapRange(from, to2, value) {
  return interpolate(to2[0], to2[1], interpolateInv(from[0], from[1], value));
}
function parseCoordGrammar(coordGrammars) {
  return coordGrammars.map((coordGrammar2) => {
    return coordGrammar2.split("|").map((type2) => {
      type2 = type2.trim();
      let range2 = type2.match(/^(<[a-z]+>)\[(-?[.\d]+),\s*(-?[.\d]+)\]?$/);
      if (range2) {
        let ret = new String(range2[1]);
        ret.range = [+range2[2], +range2[3]];
        return ret;
      }
      return type2;
    });
  });
}
var util = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  interpolate,
  interpolateInv,
  isString,
  last,
  mapRange,
  multiplyMatrices,
  parseCoordGrammar,
  parseFunction,
  toPrecision,
  type
});
var Hooks = class {
  add(name, callback, first) {
    if (typeof arguments[0] != "string") {
      for (var name in arguments[0]) {
        this.add(name, arguments[0][name], arguments[1]);
      }
      return;
    }
    (Array.isArray(name) ? name : [name]).forEach(function(name2) {
      this[name2] = this[name2] || [];
      if (callback) {
        this[name2][first ? "unshift" : "push"](callback);
      }
    }, this);
  }
  run(name, env) {
    this[name] = this[name] || [];
    this[name].forEach(function(callback) {
      callback.call(env && env.context ? env.context : env, env);
    });
  }
};
var hooks = new Hooks();
var defaults = {
  gamut_mapping: "lch.c",
  precision: 5,
  deltaE: "76"
  // Default deltaE method
};
var WHITES = {
  // for compatibility, the four-digit chromaticity-derived ones everyone else uses
  D50: [0.3457 / 0.3585, 1, (1 - 0.3457 - 0.3585) / 0.3585],
  D65: [0.3127 / 0.329, 1, (1 - 0.3127 - 0.329) / 0.329]
};
function getWhite(name) {
  if (Array.isArray(name)) {
    return name;
  }
  return WHITES[name];
}
function adapt$1(W1, W2, XYZ, options = {}) {
  W1 = getWhite(W1);
  W2 = getWhite(W2);
  if (!W1 || !W2) {
    throw new TypeError(`Missing white point to convert ${!W1 ? "from" : ""}${!W1 && !W2 ? "/" : ""}${!W2 ? "to" : ""}`);
  }
  if (W1 === W2) {
    return XYZ;
  }
  let env = { W1, W2, XYZ, options };
  hooks.run("chromatic-adaptation-start", env);
  if (!env.M) {
    if (env.W1 === WHITES.D65 && env.W2 === WHITES.D50) {
      env.M = [
        [1.0479298208405488, 0.022946793341019088, -0.05019222954313557],
        [0.029627815688159344, 0.990434484573249, -0.01707382502938514],
        [-0.009243058152591178, 0.015055144896577895, 0.7518742899580008]
      ];
    } else if (env.W1 === WHITES.D50 && env.W2 === WHITES.D65) {
      env.M = [
        [0.9554734527042182, -0.023098536874261423, 0.0632593086610217],
        [-0.028369706963208136, 1.0099954580058226, 0.021041398966943008],
        [0.012314001688319899, -0.020507696433477912, 1.3303659366080753]
      ];
    }
  }
  hooks.run("chromatic-adaptation-end", env);
  if (env.M) {
    return multiplyMatrices(env.M, env.XYZ);
  } else {
    throw new TypeError("Only Bradford CAT with white points D50 and D65 supported for now.");
  }
}
var \u03B5$4 = 75e-6;
var _ColorSpace = class {
  constructor(options) {
    var _a, _b, _c, _d, _e, _f, _g;
    this.id = options.id;
    this.name = options.name;
    this.base = options.base ? _ColorSpace.get(options.base) : null;
    this.aliases = options.aliases;
    if (this.base) {
      this.fromBase = options.fromBase;
      this.toBase = options.toBase;
    }
    let coords = (_a = options.coords) != null ? _a : this.base.coords;
    for (let name in coords) {
      if (!("name" in coords[name])) {
        coords[name].name = name;
      }
    }
    this.coords = coords;
    let white2 = (_c = (_b = options.white) != null ? _b : this.base.white) != null ? _c : "D65";
    this.white = getWhite(white2);
    this.formats = (_d = options.formats) != null ? _d : {};
    for (let name in this.formats) {
      let format = this.formats[name];
      format.type || (format.type = "function");
      format.name || (format.name = name);
    }
    if (options.cssId && !((_e = this.formats.functions) == null ? void 0 : _e.color)) {
      this.formats.color = { id: options.cssId };
      Object.defineProperty(this, "cssId", { value: options.cssId });
    } else if (((_f = this.formats) == null ? void 0 : _f.color) && !((_g = this.formats) == null ? void 0 : _g.color.id)) {
      this.formats.color.id = this.id;
    }
    this.referred = options.referred;
    Object.defineProperty(this, "path", {
      value: getPath(this).reverse(),
      writable: false,
      enumerable: true,
      configurable: true
    });
    hooks.run("colorspace-init-end", this);
  }
  inGamut(coords, { epsilon = \u03B5$4 } = {}) {
    if (this.isPolar) {
      coords = this.toBase(coords);
      return this.base.inGamut(coords, { epsilon });
    }
    let coordMeta = Object.values(this.coords);
    return coords.every((c4, i) => {
      let meta = coordMeta[i];
      if (meta.type !== "angle" && meta.range) {
        if (Number.isNaN(c4)) {
          return true;
        }
        let [min, max2] = meta.range;
        return (min === void 0 || c4 >= min - epsilon) && (max2 === void 0 || c4 <= max2 + epsilon);
      }
      return true;
    });
  }
  get cssId() {
    var _a, _b;
    return ((_b = (_a = this.formats.functions) == null ? void 0 : _a.color) == null ? void 0 : _b.id) || this.id;
  }
  get isPolar() {
    for (let id in this.coords) {
      if (this.coords[id].type === "angle") {
        return true;
      }
    }
    return false;
  }
  getFormat(format) {
    if (typeof format === "object") {
      format = processFormat(format, this);
      return format;
    }
    let ret;
    if (format === "default") {
      ret = Object.values(this.formats)[0];
    } else {
      ret = this.formats[format];
    }
    if (ret) {
      ret = processFormat(ret, this);
      return ret;
    }
    return null;
  }
  // We cannot rely on simple === because then ColorSpace objects cannot be proxied
  equals(space) {
    if (!space) {
      return false;
    }
    return this === space || this.id === space.id;
  }
  to(space, coords) {
    if (arguments.length === 1) {
      [space, coords] = [space.space, space.coords];
    }
    space = _ColorSpace.get(space);
    if (this.equals(space)) {
      return coords;
    }
    coords = coords.map((c4) => Number.isNaN(c4) ? 0 : c4);
    let myPath = this.path;
    let otherPath = space.path;
    let connectionSpace, connectionSpaceIndex;
    for (let i = 0; i < myPath.length; i++) {
      if (myPath[i].equals(otherPath[i])) {
        connectionSpace = myPath[i];
        connectionSpaceIndex = i;
      } else {
        break;
      }
    }
    if (!connectionSpace) {
      throw new Error(`Cannot convert between color spaces ${this} and ${space}: no connection space was found`);
    }
    for (let i = myPath.length - 1; i > connectionSpaceIndex; i--) {
      coords = myPath[i].toBase(coords);
    }
    for (let i = connectionSpaceIndex + 1; i < otherPath.length; i++) {
      coords = otherPath[i].fromBase(coords);
    }
    return coords;
  }
  from(space, coords) {
    if (arguments.length === 1) {
      [space, coords] = [space.space, space.coords];
    }
    space = _ColorSpace.get(space);
    return space.to(this, coords);
  }
  toString() {
    return `${this.name} (${this.id})`;
  }
  getMinCoords() {
    var _a;
    let ret = [];
    for (let id in this.coords) {
      let meta = this.coords[id];
      let range2 = meta.range || meta.refRange;
      ret.push((_a = range2 == null ? void 0 : range2.min) != null ? _a : 0);
    }
    return ret;
  }
  // Returns array of unique color spaces
  static get all() {
    return [...new Set(Object.values(_ColorSpace.registry))];
  }
  static register(id, space) {
    if (arguments.length === 1) {
      space = arguments[0];
      id = space.id;
    }
    space = this.get(space);
    if (this.registry[id] && this.registry[id] !== space) {
      throw new Error(`Duplicate color space registration: '${id}'`);
    }
    this.registry[id] = space;
    if (arguments.length === 1 && space.aliases) {
      for (let alias of space.aliases) {
        this.register(alias, space);
      }
    }
    return space;
  }
  /**
   * Lookup ColorSpace object by name
   * @param {ColorSpace | string} name
   */
  static get(space, ...alternatives) {
    if (!space || space instanceof _ColorSpace) {
      return space;
    }
    let argType = type(space);
    if (argType === "string") {
      let ret = _ColorSpace.registry[space.toLowerCase()];
      if (!ret) {
        throw new TypeError(`No color space found with id = "${space}"`);
      }
      return ret;
    }
    if (alternatives.length) {
      return _ColorSpace.get(...alternatives);
    }
    throw new TypeError(`${space} is not a valid color space`);
  }
  /**
   * Get metadata about a coordinate of a color space
   *
   * @static
   * @param {Array | string} ref
   * @param {ColorSpace | string} [workingSpace]
   * @return {Object}
   */
  static resolveCoord(ref, workingSpace) {
    var _a;
    let coordType = type(ref);
    let space, coord;
    if (coordType === "string") {
      if (ref.includes(".")) {
        [space, coord] = ref.split(".");
      } else {
        [space, coord] = [, ref];
      }
    } else if (Array.isArray(ref)) {
      [space, coord] = ref;
    } else {
      space = ref.space;
      coord = ref.coordId;
    }
    space = _ColorSpace.get(space);
    if (!space) {
      space = workingSpace;
    }
    if (!space) {
      throw new TypeError(`Cannot resolve coordinate reference ${ref}: No color space specified and relative references are not allowed here`);
    }
    coordType = type(coord);
    if (coordType === "number" || coordType === "string" && coord >= 0) {
      let meta = Object.entries(space.coords)[coord];
      if (meta) {
        return { space, id: meta[0], index: coord, ...meta[1] };
      }
    }
    space = _ColorSpace.get(space);
    let normalizedCoord = coord.toLowerCase();
    let i = 0;
    for (let id in space.coords) {
      let meta = space.coords[id];
      if (id.toLowerCase() === normalizedCoord || ((_a = meta.name) == null ? void 0 : _a.toLowerCase()) === normalizedCoord) {
        return { space, id, index: i, ...meta };
      }
      i++;
    }
    throw new TypeError(`No "${coord}" coordinate found in ${space.name}. Its coordinates are: ${Object.keys(space.coords).join(", ")}`);
  }
};
var ColorSpace = _ColorSpace;
__publicField(ColorSpace, "registry", {});
__publicField(ColorSpace, "DEFAULT_FORMAT", {
  type: "functions",
  name: "color"
});
function getPath(space) {
  let ret = [space];
  for (let s = space; s = s.base; ) {
    ret.push(s);
  }
  return ret;
}
function processFormat(format, { coords } = {}) {
  if (format.coords && !format.coordGrammar) {
    format.type || (format.type = "function");
    format.name || (format.name = "color");
    format.coordGrammar = parseCoordGrammar(format.coords);
    let coordFormats = Object.entries(coords).map(([id, coordMeta], i) => {
      let outputType = format.coordGrammar[i][0];
      let fromRange = coordMeta.range || coordMeta.refRange;
      let toRange = outputType.range, suffix = "";
      if (outputType == "<percentage>") {
        toRange = [0, 100];
        suffix = "%";
      } else if (outputType == "<angle>") {
        suffix = "deg";
      }
      return { fromRange, toRange, suffix };
    });
    format.serializeCoords = (coords2, precision) => {
      return coords2.map((c4, i) => {
        let { fromRange, toRange, suffix } = coordFormats[i];
        if (fromRange && toRange) {
          c4 = mapRange(fromRange, toRange, c4);
        }
        c4 = toPrecision(c4, precision);
        if (suffix) {
          c4 += suffix;
        }
        return c4;
      });
    };
  }
  return format;
}
var XYZ_D65 = new ColorSpace({
  id: "xyz-d65",
  name: "XYZ D65",
  coords: {
    x: { name: "X" },
    y: { name: "Y" },
    z: { name: "Z" }
  },
  white: "D65",
  formats: {
    color: {
      ids: ["xyz-d65", "xyz"]
    }
  },
  aliases: ["xyz"]
});
var RGBColorSpace = class extends ColorSpace {
  /**
   * Creates a new RGB ColorSpace.
   * If coords are not specified, they will use the default RGB coords.
   * Instead of `fromBase()` and `toBase()` functions,
   * you can specify to/from XYZ matrices and have `toBase()` and `fromBase()` automatically generated.
   * @param {*} options - Same options as {@link ColorSpace} plus:
   * @param {number[][]} options.toXYZ_M - Matrix to convert to XYZ
   * @param {number[][]} options.fromXYZ_M - Matrix to convert from XYZ
   */
  constructor(options) {
    var _a, _b, _c;
    if (!options.coords) {
      options.coords = {
        r: {
          range: [0, 1],
          name: "Red"
        },
        g: {
          range: [0, 1],
          name: "Green"
        },
        b: {
          range: [0, 1],
          name: "Blue"
        }
      };
    }
    if (!options.base) {
      options.base = XYZ_D65;
    }
    if (options.toXYZ_M && options.fromXYZ_M) {
      (_a = options.toBase) != null ? _a : options.toBase = (rgb) => {
        let xyz = multiplyMatrices(options.toXYZ_M, rgb);
        if (this.white !== this.base.white) {
          xyz = adapt$1(this.white, this.base.white, xyz);
        }
        return xyz;
      };
      (_b = options.fromBase) != null ? _b : options.fromBase = (xyz) => {
        xyz = adapt$1(this.base.white, this.white, xyz);
        return multiplyMatrices(options.fromXYZ_M, xyz);
      };
    }
    (_c = options.referred) != null ? _c : options.referred = "display";
    super(options);
  }
};
function parse(str, { meta } = {}) {
  var _a, _b, _c, _d, _e, _f;
  let env = { "str": (_a = String(str)) == null ? void 0 : _a.trim() };
  hooks.run("parse-start", env);
  if (env.color) {
    return env.color;
  }
  env.parsed = parseFunction(env.str);
  if (env.parsed) {
    let name = env.parsed.name;
    if (name === "color") {
      let id = env.parsed.args.shift();
      let alpha = env.parsed.rawArgs.indexOf("/") > 0 ? env.parsed.args.pop() : 1;
      for (let space of ColorSpace.all) {
        let colorSpec = space.getFormat("color");
        if (colorSpec) {
          if (id === colorSpec.id || ((_b = colorSpec.ids) == null ? void 0 : _b.includes(id))) {
            const coords = Object.keys(space.coords).map((_, i) => env.parsed.args[i] || 0);
            if (meta) {
              meta.formatId = "color";
            }
            return { spaceId: space.id, coords, alpha };
          }
        }
      }
      let didYouMean = "";
      if (id in ColorSpace.registry) {
        let cssId = (_e = (_d = (_c = ColorSpace.registry[id].formats) == null ? void 0 : _c.functions) == null ? void 0 : _d.color) == null ? void 0 : _e.id;
        if (cssId) {
          didYouMean = `Did you mean color(${cssId})?`;
        }
      }
      throw new TypeError(`Cannot parse color(${id}). ` + (didYouMean || "Missing a plugin?"));
    } else {
      for (let space of ColorSpace.all) {
        let format = space.getFormat(name);
        if (format && format.type === "function") {
          let alpha = 1;
          if (format.lastAlpha || last(env.parsed.args).alpha) {
            alpha = env.parsed.args.pop();
          }
          let coords = env.parsed.args;
          let types;
          if (format.coordGrammar) {
            types = Object.entries(space.coords).map(([id, coordMeta], i) => {
              var _a2;
              let coordGrammar2 = format.coordGrammar[i];
              let providedType = (_a2 = coords[i]) == null ? void 0 : _a2.type;
              let type2 = coordGrammar2.find((c4) => c4 == providedType);
              if (!type2) {
                let coordName = coordMeta.name || id;
                throw new TypeError(`${providedType} not allowed for ${coordName} in ${name}()`);
              }
              let fromRange = type2.range;
              if (providedType === "<percentage>") {
                fromRange || (fromRange = [0, 1]);
              }
              let toRange = coordMeta.range || coordMeta.refRange;
              if (fromRange && toRange) {
                coords[i] = mapRange(fromRange, toRange, coords[i]);
              }
              return type2;
            });
          }
          if (meta) {
            Object.assign(meta, { formatId: format.name, types });
          }
          return {
            spaceId: space.id,
            coords,
            alpha
          };
        }
      }
    }
  } else {
    for (let space of ColorSpace.all) {
      for (let formatId in space.formats) {
        let format = space.formats[formatId];
        if (format.type !== "custom") {
          continue;
        }
        if (format.test && !format.test(env.str)) {
          continue;
        }
        let color = format.parse(env.str);
        if (color) {
          (_f = color.alpha) != null ? _f : color.alpha = 1;
          if (meta) {
            meta.formatId = formatId;
          }
          return color;
        }
      }
    }
  }
  throw new TypeError(`Could not parse ${str} as a color. Missing a plugin?`);
}
function getColor(color) {
  if (!color) {
    throw new TypeError("Empty color reference");
  }
  if (isString(color)) {
    color = parse(color);
  }
  let space = color.space || color.spaceId;
  if (!(space instanceof ColorSpace)) {
    color.space = ColorSpace.get(space);
  }
  if (color.alpha === void 0) {
    color.alpha = 1;
  }
  return color;
}
function getAll(color, space) {
  space = ColorSpace.get(space);
  return space.from(color);
}
function get(color, prop) {
  let { space, index } = ColorSpace.resolveCoord(prop, color.space);
  let coords = getAll(color, space);
  return coords[index];
}
function setAll(color, space, coords) {
  space = ColorSpace.get(space);
  color.coords = space.to(color.space, coords);
  return color;
}
function set(color, prop, value) {
  color = getColor(color);
  if (arguments.length === 2 && type(arguments[1]) === "object") {
    let object = arguments[1];
    for (let p2 in object) {
      set(color, p2, object[p2]);
    }
  } else {
    if (typeof value === "function") {
      value = value(get(color, prop));
    }
    let { space, index } = ColorSpace.resolveCoord(prop, color.space);
    let coords = getAll(color, space);
    coords[index] = value;
    setAll(color, space, coords);
  }
  return color;
}
var XYZ_D50 = new ColorSpace({
  id: "xyz-d50",
  name: "XYZ D50",
  white: "D50",
  base: XYZ_D65,
  fromBase: (coords) => adapt$1(XYZ_D65.white, "D50", coords),
  toBase: (coords) => adapt$1("D50", XYZ_D65.white, coords),
  formats: {
    color: {}
  }
});
var \u03B5$3 = 216 / 24389;
var \u03B53$1 = 24 / 116;
var \u03BA$1 = 24389 / 27;
var white$1 = WHITES.D50;
var lab = new ColorSpace({
  id: "lab",
  name: "Lab",
  coords: {
    l: {
      refRange: [0, 100],
      name: "L"
    },
    a: {
      refRange: [-125, 125]
    },
    b: {
      refRange: [-125, 125]
    }
  },
  // Assuming XYZ is relative to D50, convert to CIE Lab
  // from CIE standard, which now defines these as a rational fraction
  white: white$1,
  base: XYZ_D50,
  // Convert D50-adapted XYX to Lab
  //  CIE 15.3:2004 section 8.2.1.1
  fromBase(XYZ) {
    let xyz = XYZ.map((value, i) => value / white$1[i]);
    let f = xyz.map((value) => value > \u03B5$3 ? Math.cbrt(value) : (\u03BA$1 * value + 16) / 116);
    return [
      116 * f[1] - 16,
      // L
      500 * (f[0] - f[1]),
      // a
      200 * (f[1] - f[2])
      // b
    ];
  },
  // Convert Lab to D50-adapted XYZ
  // Same result as CIE 15.3:2004 Appendix D although the derivation is different
  // http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
  toBase(Lab) {
    let f = [];
    f[1] = (Lab[0] + 16) / 116;
    f[0] = Lab[1] / 500 + f[1];
    f[2] = f[1] - Lab[2] / 200;
    let xyz = [
      f[0] > \u03B53$1 ? Math.pow(f[0], 3) : (116 * f[0] - 16) / \u03BA$1,
      Lab[0] > 8 ? Math.pow((Lab[0] + 16) / 116, 3) : Lab[0] / \u03BA$1,
      f[2] > \u03B53$1 ? Math.pow(f[2], 3) : (116 * f[2] - 16) / \u03BA$1
    ];
    return xyz.map((value, i) => value * white$1[i]);
  },
  formats: {
    "lab": {
      coords: ["<number> | <percentage>", "<number> | <percentage>[-1,1]", "<number> | <percentage>[-1,1]"]
    }
  }
});
function constrain(angle) {
  return (angle % 360 + 360) % 360;
}
function adjust(arc, angles) {
  if (arc === "raw") {
    return angles;
  }
  let [a1, a2] = angles.map(constrain);
  let angleDiff = a2 - a1;
  if (arc === "increasing") {
    if (angleDiff < 0) {
      a2 += 360;
    }
  } else if (arc === "decreasing") {
    if (angleDiff > 0) {
      a1 += 360;
    }
  } else if (arc === "longer") {
    if (-180 < angleDiff && angleDiff < 180) {
      if (angleDiff > 0) {
        a1 += 360;
      } else {
        a2 += 360;
      }
    }
  } else if (arc === "shorter") {
    if (angleDiff > 180) {
      a1 += 360;
    } else if (angleDiff < -180) {
      a2 += 360;
    }
  }
  return [a1, a2];
}
var lch = new ColorSpace({
  id: "lch",
  name: "LCH",
  coords: {
    l: {
      refRange: [0, 100],
      name: "Lightness"
    },
    c: {
      refRange: [0, 150],
      name: "Chroma"
    },
    h: {
      refRange: [0, 360],
      type: "angle",
      name: "Hue"
    }
  },
  base: lab,
  fromBase(Lab) {
    let [L, a2, b2] = Lab;
    let hue;
    const \u03B52 = 0.02;
    if (Math.abs(a2) < \u03B52 && Math.abs(b2) < \u03B52) {
      hue = NaN;
    } else {
      hue = Math.atan2(b2, a2) * 180 / Math.PI;
    }
    return [
      L,
      // L is still L
      Math.sqrt(a2 ** 2 + b2 ** 2),
      // Chroma
      constrain(hue)
      // Hue, in degrees [0 to 360)
    ];
  },
  toBase(LCH) {
    let [Lightness, Chroma, Hue] = LCH;
    if (Chroma < 0) {
      Chroma = 0;
    }
    if (isNaN(Hue)) {
      Hue = 0;
    }
    return [
      Lightness,
      // L is still L
      Chroma * Math.cos(Hue * Math.PI / 180),
      // a
      Chroma * Math.sin(Hue * Math.PI / 180)
      // b
    ];
  },
  formats: {
    "lch": {
      coords: ["<number> | <percentage>", "<number> | <percentage>", "<number> | <angle>"]
    }
  }
});
var Gfactor = 25 ** 7;
var \u03C0$1 = Math.PI;
var r2d = 180 / \u03C0$1;
var d2r$1 = \u03C0$1 / 180;
function deltaE2000(color, sample, { kL = 1, kC = 1, kH = 1 } = {}) {
  let [L1, a1, b1] = lab.from(color);
  let C1 = lch.from(lab, [L1, a1, b1])[1];
  let [L2, a2, b2] = lab.from(sample);
  let C2 = lch.from(lab, [L2, a2, b2])[1];
  if (C1 < 0) {
    C1 = 0;
  }
  if (C2 < 0) {
    C2 = 0;
  }
  let Cbar = (C1 + C2) / 2;
  let C7 = Cbar ** 7;
  let G = 0.5 * (1 - Math.sqrt(C7 / (C7 + Gfactor)));
  let adash1 = (1 + G) * a1;
  let adash2 = (1 + G) * a2;
  let Cdash1 = Math.sqrt(adash1 ** 2 + b1 ** 2);
  let Cdash2 = Math.sqrt(adash2 ** 2 + b2 ** 2);
  let h1 = adash1 === 0 && b1 === 0 ? 0 : Math.atan2(b1, adash1);
  let h2 = adash2 === 0 && b2 === 0 ? 0 : Math.atan2(b2, adash2);
  if (h1 < 0) {
    h1 += 2 * \u03C0$1;
  }
  if (h2 < 0) {
    h2 += 2 * \u03C0$1;
  }
  h1 *= r2d;
  h2 *= r2d;
  let \u0394L = L2 - L1;
  let \u0394C = Cdash2 - Cdash1;
  let hdiff = h2 - h1;
  let hsum = h1 + h2;
  let habs = Math.abs(hdiff);
  let \u0394h;
  if (Cdash1 * Cdash2 === 0) {
    \u0394h = 0;
  } else if (habs <= 180) {
    \u0394h = hdiff;
  } else if (hdiff > 180) {
    \u0394h = hdiff - 360;
  } else if (hdiff < -180) {
    \u0394h = hdiff + 360;
  } else {
    console.log("the unthinkable has happened");
  }
  let \u0394H = 2 * Math.sqrt(Cdash2 * Cdash1) * Math.sin(\u0394h * d2r$1 / 2);
  let Ldash = (L1 + L2) / 2;
  let Cdash = (Cdash1 + Cdash2) / 2;
  let Cdash7 = Math.pow(Cdash, 7);
  let hdash;
  if (Cdash1 * Cdash2 === 0) {
    hdash = hsum;
  } else if (habs <= 180) {
    hdash = hsum / 2;
  } else if (hsum < 360) {
    hdash = (hsum + 360) / 2;
  } else {
    hdash = (hsum - 360) / 2;
  }
  let lsq = (Ldash - 50) ** 2;
  let SL = 1 + 0.015 * lsq / Math.sqrt(20 + lsq);
  let SC = 1 + 0.045 * Cdash;
  let T = 1;
  T -= 0.17 * Math.cos((hdash - 30) * d2r$1);
  T += 0.24 * Math.cos(2 * hdash * d2r$1);
  T += 0.32 * Math.cos((3 * hdash + 6) * d2r$1);
  T -= 0.2 * Math.cos((4 * hdash - 63) * d2r$1);
  let SH = 1 + 0.015 * Cdash * T;
  let \u0394\u03B8 = 30 * Math.exp(-1 * ((hdash - 275) / 25) ** 2);
  let RC = 2 * Math.sqrt(Cdash7 / (Cdash7 + Gfactor));
  let RT = -1 * Math.sin(2 * \u0394\u03B8 * d2r$1) * RC;
  let dE = (\u0394L / (kL * SL)) ** 2;
  dE += (\u0394C / (kC * SC)) ** 2;
  dE += (\u0394H / (kH * SH)) ** 2;
  dE += RT * (\u0394C / (kC * SC)) * (\u0394H / (kH * SH));
  return Math.sqrt(dE);
}
var \u03B5$2 = 75e-6;
function inGamut(color, space = color.space, { epsilon = \u03B5$2 } = {}) {
  color = getColor(color);
  space = ColorSpace.get(space);
  let coords = color.coords;
  if (space !== color.space) {
    coords = space.from(color);
  }
  return space.inGamut(coords, { epsilon });
}
function clone(color) {
  return {
    space: color.space,
    coords: color.coords.slice(),
    alpha: color.alpha
  };
}
function toGamut(color, { method = defaults.gamut_mapping, space = color.space } = {}) {
  if (isString(arguments[1])) {
    space = arguments[1];
  }
  space = ColorSpace.get(space);
  if (inGamut(color, space, { epsilon: 0 })) {
    return getColor(color);
  }
  let spaceColor = to(color, space);
  if (method !== "clip" && !inGamut(color, space)) {
    let clipped = toGamut(clone(spaceColor), { method: "clip", space });
    if (deltaE2000(color, clipped) > 2) {
      let coordMeta = ColorSpace.resolveCoord(method);
      let mapSpace = coordMeta.space;
      let coordId = coordMeta.id;
      let mappedColor = to(spaceColor, mapSpace);
      let bounds = coordMeta.range || coordMeta.refRange;
      let min = bounds[0];
      let \u03B52 = 0.01;
      let low = min;
      let high = get(mappedColor, coordId);
      while (high - low > \u03B52) {
        let clipped2 = clone(mappedColor);
        clipped2 = toGamut(clipped2, { space, method: "clip" });
        let deltaE2 = deltaE2000(mappedColor, clipped2);
        if (deltaE2 - 2 < \u03B52) {
          low = get(mappedColor, coordId);
        } else {
          high = get(mappedColor, coordId);
        }
        set(mappedColor, coordId, (low + high) / 2);
      }
      spaceColor = to(mappedColor, space);
    } else {
      spaceColor = clipped;
    }
  }
  if (method === "clip" || !inGamut(spaceColor, space, { epsilon: 0 })) {
    let bounds = Object.values(space.coords).map((c4) => c4.range || []);
    spaceColor.coords = spaceColor.coords.map((c4, i) => {
      let [min, max2] = bounds[i];
      if (min !== void 0) {
        c4 = Math.max(min, c4);
      }
      if (max2 !== void 0) {
        c4 = Math.min(c4, max2);
      }
      return c4;
    });
  }
  if (space !== color.space) {
    spaceColor = to(spaceColor, color.space);
  }
  color.coords = spaceColor.coords;
  return color;
}
toGamut.returns = "color";
function to(color, space, { inGamut: inGamut2 } = {}) {
  color = getColor(color);
  space = ColorSpace.get(space);
  let coords = space.from(color);
  let ret = { space, coords, alpha: color.alpha };
  if (inGamut2) {
    ret = toGamut(ret);
  }
  return ret;
}
to.returns = "color";
function serialize(color, {
  precision = defaults.precision,
  format = "default",
  inGamut: inGamut$1 = true,
  ...customOptions
} = {}) {
  var _a, _b, _c;
  let ret;
  color = getColor(color);
  let formatId = format;
  format = (_b = (_a = color.space.getFormat(format)) != null ? _a : color.space.getFormat("default")) != null ? _b : ColorSpace.DEFAULT_FORMAT;
  inGamut$1 || (inGamut$1 = format.toGamut);
  let coords = color.coords;
  coords = coords.map((c4) => c4 ? c4 : 0);
  if (inGamut$1 && !inGamut(color)) {
    coords = toGamut(clone(color), inGamut$1 === true ? void 0 : inGamut$1).coords;
  }
  if (format.type === "custom") {
    customOptions.precision = precision;
    if (format.serialize) {
      ret = format.serialize(coords, color.alpha, customOptions);
    } else {
      throw new TypeError(`format ${formatId} can only be used to parse colors, not for serialization`);
    }
  } else {
    let name = format.name || "color";
    if (format.serializeCoords) {
      coords = format.serializeCoords(coords, precision);
    } else {
      if (precision !== null) {
        coords = coords.map((c4) => toPrecision(c4, precision));
      }
    }
    let args = [...coords];
    if (name === "color") {
      let cssId = format.id || ((_c = format.ids) == null ? void 0 : _c[0]) || color.space.id;
      args.unshift(cssId);
    }
    let alpha = color.alpha;
    if (precision !== null) {
      alpha = toPrecision(alpha, precision);
    }
    let strAlpha = color.alpha < 1 && !format.noAlpha ? `${format.commas ? "," : " /"} ${alpha}` : "";
    ret = `${name}(${args.join(format.commas ? ", " : " ")}${strAlpha})`;
  }
  return ret;
}
var toXYZ_M$5 = [
  [0.6369580483012914, 0.14461690358620832, 0.1688809751641721],
  [0.2627002120112671, 0.6779980715188708, 0.05930171646986196],
  [0, 0.028072693049087428, 1.060985057710791]
];
var fromXYZ_M$5 = [
  [1.716651187971268, -0.355670783776392, -0.25336628137366],
  [-0.666684351832489, 1.616481236634939, 0.0157685458139111],
  [0.017639857445311, -0.042770613257809, 0.942103121235474]
];
var REC2020Linear = new RGBColorSpace({
  id: "rec2020-linear",
  name: "Linear REC.2020",
  white: "D65",
  toXYZ_M: toXYZ_M$5,
  fromXYZ_M: fromXYZ_M$5,
  formats: {
    color: {}
  }
});
var \u03B1 = 1.09929682680944;
var \u03B2 = 0.018053968510807;
var REC2020 = new RGBColorSpace({
  id: "rec2020",
  name: "REC.2020",
  base: REC2020Linear,
  // Non-linear transfer function from Rec. ITU-R BT.2020-2 table 4
  toBase(RGB) {
    return RGB.map(function(val) {
      if (val < \u03B2 * 4.5) {
        return val / 4.5;
      }
      return Math.pow((val + \u03B1 - 1) / \u03B1, 1 / 0.45);
    });
  },
  fromBase(RGB) {
    return RGB.map(function(val) {
      if (val >= \u03B2) {
        return \u03B1 * Math.pow(val, 0.45) - (\u03B1 - 1);
      }
      return 4.5 * val;
    });
  },
  formats: {
    color: {}
  }
});
var toXYZ_M$4 = [
  [0.4865709486482162, 0.26566769316909306, 0.1982172852343625],
  [0.2289745640697488, 0.6917385218365064, 0.079286914093745],
  [0, 0.04511338185890264, 1.043944368900976]
];
var fromXYZ_M$4 = [
  [2.493496911941425, -0.9313836179191239, -0.40271078445071684],
  [-0.8294889695615747, 1.7626640603183463, 0.023624685841943577],
  [0.03584583024378447, -0.07617238926804182, 0.9568845240076872]
];
var P3Linear = new RGBColorSpace({
  id: "p3-linear",
  name: "Linear P3",
  white: "D65",
  toXYZ_M: toXYZ_M$4,
  fromXYZ_M: fromXYZ_M$4
});
var toXYZ_M$3 = [
  [0.41239079926595934, 0.357584339383878, 0.1804807884018343],
  [0.21263900587151027, 0.715168678767756, 0.07219231536073371],
  [0.01933081871559182, 0.11919477979462598, 0.9505321522496607]
];
var fromXYZ_M$3 = [
  [3.2409699419045226, -1.537383177570094, -0.4986107602930034],
  [-0.9692436362808796, 1.8759675015077202, 0.04155505740717559],
  [0.05563007969699366, -0.20397695888897652, 1.0569715142428786]
];
var sRGBLinear = new RGBColorSpace({
  id: "srgb-linear",
  name: "Linear sRGB",
  white: "D65",
  toXYZ_M: toXYZ_M$3,
  fromXYZ_M: fromXYZ_M$3,
  formats: {
    color: {}
  }
});
var KEYWORDS = {
  "aliceblue": [240 / 255, 248 / 255, 1],
  "antiquewhite": [250 / 255, 235 / 255, 215 / 255],
  "aqua": [0, 1, 1],
  "aquamarine": [127 / 255, 1, 212 / 255],
  "azure": [240 / 255, 1, 1],
  "beige": [245 / 255, 245 / 255, 220 / 255],
  "bisque": [1, 228 / 255, 196 / 255],
  "black": [0, 0, 0],
  "blanchedalmond": [1, 235 / 255, 205 / 255],
  "blue": [0, 0, 1],
  "blueviolet": [138 / 255, 43 / 255, 226 / 255],
  "brown": [165 / 255, 42 / 255, 42 / 255],
  "burlywood": [222 / 255, 184 / 255, 135 / 255],
  "cadetblue": [95 / 255, 158 / 255, 160 / 255],
  "chartreuse": [127 / 255, 1, 0],
  "chocolate": [210 / 255, 105 / 255, 30 / 255],
  "coral": [1, 127 / 255, 80 / 255],
  "cornflowerblue": [100 / 255, 149 / 255, 237 / 255],
  "cornsilk": [1, 248 / 255, 220 / 255],
  "crimson": [220 / 255, 20 / 255, 60 / 255],
  "cyan": [0, 1, 1],
  "darkblue": [0, 0, 139 / 255],
  "darkcyan": [0, 139 / 255, 139 / 255],
  "darkgoldenrod": [184 / 255, 134 / 255, 11 / 255],
  "darkgray": [169 / 255, 169 / 255, 169 / 255],
  "darkgreen": [0, 100 / 255, 0],
  "darkgrey": [169 / 255, 169 / 255, 169 / 255],
  "darkkhaki": [189 / 255, 183 / 255, 107 / 255],
  "darkmagenta": [139 / 255, 0, 139 / 255],
  "darkolivegreen": [85 / 255, 107 / 255, 47 / 255],
  "darkorange": [1, 140 / 255, 0],
  "darkorchid": [153 / 255, 50 / 255, 204 / 255],
  "darkred": [139 / 255, 0, 0],
  "darksalmon": [233 / 255, 150 / 255, 122 / 255],
  "darkseagreen": [143 / 255, 188 / 255, 143 / 255],
  "darkslateblue": [72 / 255, 61 / 255, 139 / 255],
  "darkslategray": [47 / 255, 79 / 255, 79 / 255],
  "darkslategrey": [47 / 255, 79 / 255, 79 / 255],
  "darkturquoise": [0, 206 / 255, 209 / 255],
  "darkviolet": [148 / 255, 0, 211 / 255],
  "deeppink": [1, 20 / 255, 147 / 255],
  "deepskyblue": [0, 191 / 255, 1],
  "dimgray": [105 / 255, 105 / 255, 105 / 255],
  "dimgrey": [105 / 255, 105 / 255, 105 / 255],
  "dodgerblue": [30 / 255, 144 / 255, 1],
  "firebrick": [178 / 255, 34 / 255, 34 / 255],
  "floralwhite": [1, 250 / 255, 240 / 255],
  "forestgreen": [34 / 255, 139 / 255, 34 / 255],
  "fuchsia": [1, 0, 1],
  "gainsboro": [220 / 255, 220 / 255, 220 / 255],
  "ghostwhite": [248 / 255, 248 / 255, 1],
  "gold": [1, 215 / 255, 0],
  "goldenrod": [218 / 255, 165 / 255, 32 / 255],
  "gray": [128 / 255, 128 / 255, 128 / 255],
  "green": [0, 128 / 255, 0],
  "greenyellow": [173 / 255, 1, 47 / 255],
  "grey": [128 / 255, 128 / 255, 128 / 255],
  "honeydew": [240 / 255, 1, 240 / 255],
  "hotpink": [1, 105 / 255, 180 / 255],
  "indianred": [205 / 255, 92 / 255, 92 / 255],
  "indigo": [75 / 255, 0, 130 / 255],
  "ivory": [1, 1, 240 / 255],
  "khaki": [240 / 255, 230 / 255, 140 / 255],
  "lavender": [230 / 255, 230 / 255, 250 / 255],
  "lavenderblush": [1, 240 / 255, 245 / 255],
  "lawngreen": [124 / 255, 252 / 255, 0],
  "lemonchiffon": [1, 250 / 255, 205 / 255],
  "lightblue": [173 / 255, 216 / 255, 230 / 255],
  "lightcoral": [240 / 255, 128 / 255, 128 / 255],
  "lightcyan": [224 / 255, 1, 1],
  "lightgoldenrodyellow": [250 / 255, 250 / 255, 210 / 255],
  "lightgray": [211 / 255, 211 / 255, 211 / 255],
  "lightgreen": [144 / 255, 238 / 255, 144 / 255],
  "lightgrey": [211 / 255, 211 / 255, 211 / 255],
  "lightpink": [1, 182 / 255, 193 / 255],
  "lightsalmon": [1, 160 / 255, 122 / 255],
  "lightseagreen": [32 / 255, 178 / 255, 170 / 255],
  "lightskyblue": [135 / 255, 206 / 255, 250 / 255],
  "lightslategray": [119 / 255, 136 / 255, 153 / 255],
  "lightslategrey": [119 / 255, 136 / 255, 153 / 255],
  "lightsteelblue": [176 / 255, 196 / 255, 222 / 255],
  "lightyellow": [1, 1, 224 / 255],
  "lime": [0, 1, 0],
  "limegreen": [50 / 255, 205 / 255, 50 / 255],
  "linen": [250 / 255, 240 / 255, 230 / 255],
  "magenta": [1, 0, 1],
  "maroon": [128 / 255, 0, 0],
  "mediumaquamarine": [102 / 255, 205 / 255, 170 / 255],
  "mediumblue": [0, 0, 205 / 255],
  "mediumorchid": [186 / 255, 85 / 255, 211 / 255],
  "mediumpurple": [147 / 255, 112 / 255, 219 / 255],
  "mediumseagreen": [60 / 255, 179 / 255, 113 / 255],
  "mediumslateblue": [123 / 255, 104 / 255, 238 / 255],
  "mediumspringgreen": [0, 250 / 255, 154 / 255],
  "mediumturquoise": [72 / 255, 209 / 255, 204 / 255],
  "mediumvioletred": [199 / 255, 21 / 255, 133 / 255],
  "midnightblue": [25 / 255, 25 / 255, 112 / 255],
  "mintcream": [245 / 255, 1, 250 / 255],
  "mistyrose": [1, 228 / 255, 225 / 255],
  "moccasin": [1, 228 / 255, 181 / 255],
  "navajowhite": [1, 222 / 255, 173 / 255],
  "navy": [0, 0, 128 / 255],
  "oldlace": [253 / 255, 245 / 255, 230 / 255],
  "olive": [128 / 255, 128 / 255, 0],
  "olivedrab": [107 / 255, 142 / 255, 35 / 255],
  "orange": [1, 165 / 255, 0],
  "orangered": [1, 69 / 255, 0],
  "orchid": [218 / 255, 112 / 255, 214 / 255],
  "palegoldenrod": [238 / 255, 232 / 255, 170 / 255],
  "palegreen": [152 / 255, 251 / 255, 152 / 255],
  "paleturquoise": [175 / 255, 238 / 255, 238 / 255],
  "palevioletred": [219 / 255, 112 / 255, 147 / 255],
  "papayawhip": [1, 239 / 255, 213 / 255],
  "peachpuff": [1, 218 / 255, 185 / 255],
  "peru": [205 / 255, 133 / 255, 63 / 255],
  "pink": [1, 192 / 255, 203 / 255],
  "plum": [221 / 255, 160 / 255, 221 / 255],
  "powderblue": [176 / 255, 224 / 255, 230 / 255],
  "purple": [128 / 255, 0, 128 / 255],
  "rebeccapurple": [102 / 255, 51 / 255, 153 / 255],
  "red": [1, 0, 0],
  "rosybrown": [188 / 255, 143 / 255, 143 / 255],
  "royalblue": [65 / 255, 105 / 255, 225 / 255],
  "saddlebrown": [139 / 255, 69 / 255, 19 / 255],
  "salmon": [250 / 255, 128 / 255, 114 / 255],
  "sandybrown": [244 / 255, 164 / 255, 96 / 255],
  "seagreen": [46 / 255, 139 / 255, 87 / 255],
  "seashell": [1, 245 / 255, 238 / 255],
  "sienna": [160 / 255, 82 / 255, 45 / 255],
  "silver": [192 / 255, 192 / 255, 192 / 255],
  "skyblue": [135 / 255, 206 / 255, 235 / 255],
  "slateblue": [106 / 255, 90 / 255, 205 / 255],
  "slategray": [112 / 255, 128 / 255, 144 / 255],
  "slategrey": [112 / 255, 128 / 255, 144 / 255],
  "snow": [1, 250 / 255, 250 / 255],
  "springgreen": [0, 1, 127 / 255],
  "steelblue": [70 / 255, 130 / 255, 180 / 255],
  "tan": [210 / 255, 180 / 255, 140 / 255],
  "teal": [0, 128 / 255, 128 / 255],
  "thistle": [216 / 255, 191 / 255, 216 / 255],
  "tomato": [1, 99 / 255, 71 / 255],
  "turquoise": [64 / 255, 224 / 255, 208 / 255],
  "violet": [238 / 255, 130 / 255, 238 / 255],
  "wheat": [245 / 255, 222 / 255, 179 / 255],
  "white": [1, 1, 1],
  "whitesmoke": [245 / 255, 245 / 255, 245 / 255],
  "yellow": [1, 1, 0],
  "yellowgreen": [154 / 255, 205 / 255, 50 / 255]
};
var coordGrammar = Array(3).fill("<percentage> | <number>[0, 255]");
var coordGrammarNumber = Array(3).fill("<number>[0, 255]");
var sRGB = new RGBColorSpace({
  id: "srgb",
  name: "sRGB",
  base: sRGBLinear,
  fromBase: (rgb) => {
    return rgb.map((val) => {
      let sign = val < 0 ? -1 : 1;
      let abs = val * sign;
      if (abs > 31308e-7) {
        return sign * (1.055 * abs ** (1 / 2.4) - 0.055);
      }
      return 12.92 * val;
    });
  },
  toBase: (rgb) => {
    return rgb.map((val) => {
      let sign = val < 0 ? -1 : 1;
      let abs = val * sign;
      if (abs < 0.04045) {
        return val / 12.92;
      }
      return sign * ((abs + 0.055) / 1.055) ** 2.4;
    });
  },
  formats: {
    "rgb": {
      coords: coordGrammar
    },
    "rgb_number": {
      name: "rgb",
      commas: true,
      coords: coordGrammarNumber,
      noAlpha: true
    },
    "color": {
      /* use defaults */
    },
    "rgba": {
      coords: coordGrammar,
      commas: true,
      lastAlpha: true
    },
    "rgba_number": {
      name: "rgba",
      commas: true,
      coords: coordGrammarNumber
    },
    "hex": {
      type: "custom",
      toGamut: true,
      test: (str) => /^#([a-f0-9]{3,4}){1,2}$/i.test(str),
      parse(str) {
        if (str.length <= 5) {
          str = str.replace(/[a-f0-9]/gi, "$&$&");
        }
        let rgba = [];
        str.replace(/[a-f0-9]{2}/gi, (component) => {
          rgba.push(parseInt(component, 16) / 255);
        });
        return {
          spaceId: "srgb",
          coords: rgba.slice(0, 3),
          alpha: rgba.slice(3)[0]
        };
      },
      serialize: (coords, alpha, {
        collapse = true
        // collapse to 3-4 digit hex when possible?
      } = {}) => {
        if (alpha < 1) {
          coords.push(alpha);
        }
        coords = coords.map((c4) => Math.round(c4 * 255));
        let collapsible = collapse && coords.every((c4) => c4 % 17 === 0);
        let hex = coords.map((c4) => {
          if (collapsible) {
            return (c4 / 17).toString(16);
          }
          return c4.toString(16).padStart(2, "0");
        }).join("");
        return "#" + hex;
      }
    },
    "keyword": {
      type: "custom",
      test: (str) => /^[a-z]+$/i.test(str),
      parse(str) {
        str = str.toLowerCase();
        let ret = { spaceId: "srgb", coords: null, alpha: 1 };
        if (str === "transparent") {
          ret.coords = KEYWORDS.black;
          ret.alpha = 0;
        } else {
          ret.coords = KEYWORDS[str];
        }
        if (ret.coords) {
          return ret;
        }
      }
    }
  }
});
var P3 = new RGBColorSpace({
  id: "p3",
  name: "P3",
  base: P3Linear,
  // Gamma encoding/decoding is the same as sRGB
  fromBase: sRGB.fromBase,
  toBase: sRGB.toBase,
  formats: {
    color: {
      id: "display-p3"
    }
  }
});
defaults.display_space = sRGB;
if (typeof CSS !== "undefined" && CSS.supports) {
  for (let space of [lab, REC2020, P3]) {
    let coords = space.getMinCoords();
    let color = { space, coords, alpha: 1 };
    let str = serialize(color);
    if (CSS.supports("color", str)) {
      defaults.display_space = space;
      break;
    }
  }
}
function display(color, { space = defaults.display_space, ...options } = {}) {
  let ret = serialize(color, options);
  if (typeof CSS === "undefined" || CSS.supports("color", ret) || !defaults.display_space) {
    ret = new String(ret);
    ret.color = color;
  } else {
    let fallbackColor = to(color, space);
    ret = new String(serialize(fallbackColor, options));
    ret.color = fallbackColor;
  }
  return ret;
}
function distance(color1, color2, space = "lab") {
  space = ColorSpace.get(space);
  let coords1 = space.from(color1);
  let coords2 = space.from(color2);
  return Math.sqrt(coords1.reduce((acc, c12, i) => {
    let c22 = coords2[i];
    if (isNaN(c12) || isNaN(c22)) {
      return acc;
    }
    return acc + (c22 - c12) ** 2;
  }, 0));
}
function equals(color1, color2) {
  color1 = getColor(color1);
  color2 = getColor(color2);
  return color1.space === color2.space && color1.alpha === color2.alpha && color1.coords.every((c4, i) => c4 === color2.coords[i]);
}
function getLuminance(color) {
  return get(color, [XYZ_D65, "y"]);
}
function setLuminance(color, value) {
  set(color, [XYZ_D65, "y"], value);
}
function register$2(Color2) {
  Object.defineProperty(Color2.prototype, "luminance", {
    get() {
      return getLuminance(this);
    },
    set(value) {
      setLuminance(this, value);
    }
  });
}
var luminance = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  getLuminance,
  register: register$2,
  setLuminance
});
function contrastWCAG21(color1, color2) {
  color1 = getColor(color1);
  color2 = getColor(color2);
  let Y1 = Math.max(getLuminance(color1), 0);
  let Y2 = Math.max(getLuminance(color2), 0);
  if (Y2 > Y1) {
    [Y1, Y2] = [Y2, Y1];
  }
  return (Y1 + 0.05) / (Y2 + 0.05);
}
var normBG = 0.56;
var normTXT = 0.57;
var revTXT = 0.62;
var revBG = 0.65;
var blkThrs = 0.022;
var blkClmp = 1.414;
var loClip = 0.1;
var deltaYmin = 5e-4;
var scaleBoW = 1.14;
var loBoWoffset = 0.027;
var scaleWoB = 1.14;
function fclamp(Y) {
  if (Y >= blkThrs) {
    return Y;
  }
  return Y + (blkThrs - Y) ** blkClmp;
}
function linearize(val) {
  let sign = val < 0 ? -1 : 1;
  let abs = Math.abs(val);
  return sign * Math.pow(abs, 2.4);
}
function contrastAPCA(background, foreground) {
  foreground = getColor(foreground);
  background = getColor(background);
  let S;
  let C;
  let Sapc;
  let R, G, B;
  foreground = to(foreground, "srgb");
  [R, G, B] = foreground.coords;
  let lumTxt = linearize(R) * 0.2126729 + linearize(G) * 0.7151522 + linearize(B) * 0.072175;
  background = to(background, "srgb");
  [R, G, B] = background.coords;
  let lumBg = linearize(R) * 0.2126729 + linearize(G) * 0.7151522 + linearize(B) * 0.072175;
  let Ytxt = fclamp(lumTxt);
  let Ybg = fclamp(lumBg);
  let BoW = Ybg > Ytxt;
  if (Math.abs(Ybg - Ytxt) < deltaYmin) {
    C = 0;
  } else {
    if (BoW) {
      S = Ybg ** normBG - Ytxt ** normTXT;
      C = S * scaleBoW;
    } else {
      S = Ybg ** revBG - Ytxt ** revTXT;
      C = S * scaleWoB;
    }
  }
  if (Math.abs(C) < loClip) {
    Sapc = 0;
  } else if (C > 0) {
    Sapc = C - loBoWoffset;
  } else {
    Sapc = C + loBoWoffset;
  }
  return Sapc * 100;
}
function contrastMichelson(color1, color2) {
  color1 = getColor(color1);
  color2 = getColor(color2);
  let Y1 = Math.max(getLuminance(color1), 0);
  let Y2 = Math.max(getLuminance(color2), 0);
  if (Y2 > Y1) {
    [Y1, Y2] = [Y2, Y1];
  }
  let denom = Y1 + Y2;
  return denom === 0 ? 0 : (Y1 - Y2) / denom;
}
var max = 5e4;
function contrastWeber(color1, color2) {
  color1 = getColor(color1);
  color2 = getColor(color2);
  let Y1 = Math.max(getLuminance(color1), 0);
  let Y2 = Math.max(getLuminance(color2), 0);
  if (Y2 > Y1) {
    [Y1, Y2] = [Y2, Y1];
  }
  return Y2 === 0 ? max : (Y1 - Y2) / Y2;
}
function contrastLstar(color1, color2) {
  color1 = getColor(color1);
  color2 = getColor(color2);
  let L1 = get(color1, [lab, "l"]);
  let L2 = get(color2, [lab, "l"]);
  return Math.abs(L1 - L2);
}
var \u03B5$1 = 216 / 24389;
var \u03B53 = 24 / 116;
var \u03BA = 24389 / 27;
var white = WHITES.D65;
var lab_d65 = new ColorSpace({
  id: "lab-d65",
  name: "Lab D65",
  coords: {
    l: {
      refRange: [0, 100],
      name: "L"
    },
    a: {
      refRange: [-125, 125]
    },
    b: {
      refRange: [-125, 125]
    }
  },
  // Assuming XYZ is relative to D65, convert to CIE Lab
  // from CIE standard, which now defines these as a rational fraction
  white,
  base: XYZ_D65,
  // Convert D65-adapted XYZ to Lab
  //  CIE 15.3:2004 section 8.2.1.1
  fromBase(XYZ) {
    let xyz = XYZ.map((value, i) => value / white[i]);
    let f = xyz.map((value) => value > \u03B5$1 ? Math.cbrt(value) : (\u03BA * value + 16) / 116);
    return [
      116 * f[1] - 16,
      // L
      500 * (f[0] - f[1]),
      // a
      200 * (f[1] - f[2])
      // b
    ];
  },
  // Convert Lab to D65-adapted XYZ
  // Same result as CIE 15.3:2004 Appendix D although the derivation is different
  // http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html
  toBase(Lab) {
    let f = [];
    f[1] = (Lab[0] + 16) / 116;
    f[0] = Lab[1] / 500 + f[1];
    f[2] = f[1] - Lab[2] / 200;
    let xyz = [
      f[0] > \u03B53 ? Math.pow(f[0], 3) : (116 * f[0] - 16) / \u03BA,
      Lab[0] > 8 ? Math.pow((Lab[0] + 16) / 116, 3) : Lab[0] / \u03BA,
      f[2] > \u03B53 ? Math.pow(f[2], 3) : (116 * f[2] - 16) / \u03BA
    ];
    return xyz.map((value, i) => value * white[i]);
  },
  formats: {
    "lab-d65": {
      coords: ["<number> | <percentage>", "<number> | <percentage>[-1,1]", "<number> | <percentage>[-1,1]"]
    }
  }
});
var phi = Math.pow(5, 0.5) * 0.5 + 0.5;
function contrastDeltaPhi(color1, color2) {
  color1 = getColor(color1);
  color2 = getColor(color2);
  let Lstr1 = get(color1, [lab_d65, "l"]);
  let Lstr2 = get(color2, [lab_d65, "l"]);
  let deltaPhiStar = Math.abs(Math.pow(Lstr1, phi) - Math.pow(Lstr2, phi));
  let contrast2 = Math.pow(deltaPhiStar, 1 / phi) * Math.SQRT2 - 40;
  return contrast2 < 7.5 ? 0 : contrast2;
}
var contrastMethods = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  contrastAPCA,
  contrastDeltaPhi,
  contrastLstar,
  contrastMichelson,
  contrastWCAG21,
  contrastWeber
});
function contrast(background, foreground, o = {}) {
  if (isString(o)) {
    o = { algorithm: o };
  }
  let { algorithm, ...rest } = o;
  if (!algorithm) {
    let algorithms = Object.keys(contrastMethods).map((a2) => a2.replace(/^contrast/, "")).join(", ");
    throw new TypeError(`contrast() function needs a contrast algorithm. Please specify one of: ${algorithms}`);
  }
  background = getColor(background);
  foreground = getColor(foreground);
  for (let a2 in contrastMethods) {
    if ("contrast" + algorithm.toLowerCase() === a2.toLowerCase()) {
      return contrastMethods[a2](background, foreground, rest);
    }
  }
  throw new TypeError(`Unknown contrast algorithm: ${algorithm}`);
}
function uv(color) {
  let [X, Y, Z] = getAll(color, XYZ_D65);
  let denom = X + 15 * Y + 3 * Z;
  return [4 * X / denom, 9 * Y / denom];
}
function xy(color) {
  let [X, Y, Z] = getAll(color, XYZ_D65);
  let sum = X + Y + Z;
  return [X / sum, Y / sum];
}
function register$1(Color2) {
  Object.defineProperty(Color2.prototype, "uv", {
    get() {
      return uv(this);
    }
  });
  Object.defineProperty(Color2.prototype, "xy", {
    get() {
      return xy(this);
    }
  });
}
var chromaticity = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  register: register$1,
  uv,
  xy
});
function deltaE76(color, sample) {
  return distance(color, sample, "lab");
}
var \u03C0 = Math.PI;
var d2r = \u03C0 / 180;
function deltaECMC(color, sample, { l = 2, c: c4 = 1 } = {}) {
  let [L1, a1, b1] = lab.from(color);
  let [, C1, H1] = lch.from(lab, [L1, a1, b1]);
  let [L2, a2, b2] = lab.from(sample);
  let C2 = lch.from(lab, [L2, a2, b2])[1];
  if (C1 < 0) {
    C1 = 0;
  }
  if (C2 < 0) {
    C2 = 0;
  }
  let \u0394L = L1 - L2;
  let \u0394C = C1 - C2;
  let \u0394a = a1 - a2;
  let \u0394b = b1 - b2;
  let H2 = \u0394a ** 2 + \u0394b ** 2 - \u0394C ** 2;
  let SL = 0.511;
  if (L1 >= 16) {
    SL = 0.040975 * L1 / (1 + 0.01765 * L1);
  }
  let SC = 0.0638 * C1 / (1 + 0.0131 * C1) + 0.638;
  let T;
  if (Number.isNaN(H1)) {
    H1 = 0;
  }
  if (H1 >= 164 && H1 <= 345) {
    T = 0.56 + Math.abs(0.2 * Math.cos((H1 + 168) * d2r));
  } else {
    T = 0.36 + Math.abs(0.4 * Math.cos((H1 + 35) * d2r));
  }
  let C4 = Math.pow(C1, 4);
  let F = Math.sqrt(C4 / (C4 + 1900));
  let SH = SC * (F * T + 1 - F);
  let dE = (\u0394L / (l * SL)) ** 2;
  dE += (\u0394C / (c4 * SC)) ** 2;
  dE += H2 / SH ** 2;
  return Math.sqrt(dE);
}
var Yw$1 = 203;
var XYZ_Abs_D65 = new ColorSpace({
  // Absolute CIE XYZ, with a D65 whitepoint,
  // as used in most HDR colorspaces as a starting point.
  // SDR spaces are converted per BT.2048
  // so that diffuse, media white is 203 cd/m²
  id: "xyz-abs-d65",
  name: "Absolute XYZ D65",
  coords: {
    x: {
      refRange: [0, 9504.7],
      name: "Xa"
    },
    y: {
      refRange: [0, 1e4],
      name: "Ya"
    },
    z: {
      refRange: [0, 10888.3],
      name: "Za"
    }
  },
  base: XYZ_D65,
  fromBase(XYZ) {
    return XYZ.map((v) => Math.max(v * Yw$1, 0));
  },
  toBase(AbsXYZ) {
    return AbsXYZ.map((v) => Math.max(v / Yw$1, 0));
  }
});
var b$1 = 1.15;
var g = 0.66;
var n$1 = 2610 / 2 ** 14;
var ninv$1 = 2 ** 14 / 2610;
var c1$2 = 3424 / 2 ** 12;
var c2$2 = 2413 / 2 ** 7;
var c3$2 = 2392 / 2 ** 7;
var p = 1.7 * 2523 / 2 ** 5;
var pinv = 2 ** 5 / (1.7 * 2523);
var d = -0.56;
var d0 = 16295499532821565e-27;
var XYZtoCone_M = [
  [0.41478972, 0.579999, 0.014648],
  [-0.20151, 1.120649, 0.0531008],
  [-0.0166008, 0.2648, 0.6684799]
];
var ConetoXYZ_M = [
  [1.9242264357876067, -1.0047923125953657, 0.037651404030618],
  [0.35031676209499907, 0.7264811939316552, -0.06538442294808501],
  [-0.09098281098284752, -0.3127282905230739, 1.5227665613052603]
];
var ConetoIab_M = [
  [0.5, 0.5, 0],
  [3.524, -4.066708, 0.542708],
  [0.199076, 1.096799, -1.295875]
];
var IabtoCone_M = [
  [1, 0.1386050432715393, 0.05804731615611886],
  [0.9999999999999999, -0.1386050432715393, -0.05804731615611886],
  [0.9999999999999998, -0.09601924202631895, -0.8118918960560388]
];
var Jzazbz = new ColorSpace({
  id: "jzazbz",
  name: "Jzazbz",
  coords: {
    jz: {
      refRange: [0, 1],
      name: "Jz"
    },
    az: {
      refRange: [-0.5, 0.5]
    },
    bz: {
      refRange: [-0.5, 0.5]
    }
  },
  base: XYZ_Abs_D65,
  fromBase(XYZ) {
    let [Xa, Ya, Za] = XYZ;
    let Xm = b$1 * Xa - (b$1 - 1) * Za;
    let Ym = g * Ya - (g - 1) * Xa;
    let LMS = multiplyMatrices(XYZtoCone_M, [Xm, Ym, Za]);
    let PQLMS = LMS.map(function(val) {
      let num = c1$2 + c2$2 * (val / 1e4) ** n$1;
      let denom = 1 + c3$2 * (val / 1e4) ** n$1;
      return (num / denom) ** p;
    });
    let [Iz, az, bz] = multiplyMatrices(ConetoIab_M, PQLMS);
    let Jz = (1 + d) * Iz / (1 + d * Iz) - d0;
    return [Jz, az, bz];
  },
  toBase(Jzazbz2) {
    let [Jz, az, bz] = Jzazbz2;
    let Iz = (Jz + d0) / (1 + d - d * (Jz + d0));
    let PQLMS = multiplyMatrices(IabtoCone_M, [Iz, az, bz]);
    let LMS = PQLMS.map(function(val) {
      let num = c1$2 - val ** pinv;
      let denom = c3$2 * val ** pinv - c2$2;
      let x = 1e4 * (num / denom) ** ninv$1;
      return x;
    });
    let [Xm, Ym, Za] = multiplyMatrices(ConetoXYZ_M, LMS);
    let Xa = (Xm + (b$1 - 1) * Za) / b$1;
    let Ya = (Ym + (g - 1) * Xa) / g;
    return [Xa, Ya, Za];
  },
  formats: {
    // https://drafts.csswg.org/css-color-hdr/#Jzazbz
    "color": {}
  }
});
var jzczhz = new ColorSpace({
  id: "jzczhz",
  name: "JzCzHz",
  coords: {
    jz: {
      refRange: [0, 1],
      name: "Jz"
    },
    cz: {
      refRange: [0, 1],
      name: "Chroma"
    },
    hz: {
      refRange: [0, 360],
      type: "angle",
      name: "Hue"
    }
  },
  base: Jzazbz,
  fromBase(jzazbz) {
    let [Jz, az, bz] = jzazbz;
    let hue;
    const \u03B52 = 2e-4;
    if (Math.abs(az) < \u03B52 && Math.abs(bz) < \u03B52) {
      hue = NaN;
    } else {
      hue = Math.atan2(bz, az) * 180 / Math.PI;
    }
    return [
      Jz,
      // Jz is still Jz
      Math.sqrt(az ** 2 + bz ** 2),
      // Chroma
      constrain(hue)
      // Hue, in degrees [0 to 360)
    ];
  },
  toBase(jzczhz2) {
    return [
      jzczhz2[0],
      // Jz is still Jz
      jzczhz2[1] * Math.cos(jzczhz2[2] * Math.PI / 180),
      // az
      jzczhz2[1] * Math.sin(jzczhz2[2] * Math.PI / 180)
      // bz
    ];
  },
  formats: {
    color: {}
  }
});
function deltaEJz(color, sample) {
  let [Jz1, Cz1, Hz1] = jzczhz.from(color);
  let [Jz2, Cz2, Hz2] = jzczhz.from(sample);
  let \u0394J = Jz1 - Jz2;
  let \u0394C = Cz1 - Cz2;
  if (Number.isNaN(Hz1) && Number.isNaN(Hz2)) {
    Hz1 = 0;
    Hz2 = 0;
  } else if (Number.isNaN(Hz1)) {
    Hz1 = Hz2;
  } else if (Number.isNaN(Hz2)) {
    Hz2 = Hz1;
  }
  let \u0394h = Hz1 - Hz2;
  let \u0394H = 2 * Math.sqrt(Cz1 * Cz2) * Math.sin(\u0394h / 2 * (Math.PI / 180));
  return Math.sqrt(\u0394J ** 2 + \u0394C ** 2 + \u0394H ** 2);
}
var c1$1 = 3424 / 4096;
var c2$1 = 2413 / 128;
var c3$1 = 2392 / 128;
var m1 = 2610 / 16384;
var m2 = 2523 / 32;
var im1 = 16384 / 2610;
var im2 = 32 / 2523;
var XYZtoLMS_M$1 = [
  [0.3592, 0.6976, -0.0358],
  [-0.1922, 1.1004, 0.0755],
  [7e-3, 0.0749, 0.8434]
];
var LMStoIPT_M = [
  [2048 / 4096, 2048 / 4096, 0],
  [6610 / 4096, -13613 / 4096, 7003 / 4096],
  [17933 / 4096, -17390 / 4096, -543 / 4096]
];
var IPTtoLMS_M = [
  [0.9999888965628402, 0.008605050147287059, 0.11103437159861648],
  [1.00001110343716, -0.008605050147287059, -0.11103437159861648],
  [1.0000320633910054, 0.56004913547279, -0.3206339100541203]
];
var LMStoXYZ_M$1 = [
  [2.0701800566956137, -1.326456876103021, 0.20661600684785517],
  [0.3649882500326575, 0.6804673628522352, -0.04542175307585323],
  [-0.04959554223893211, -0.04942116118675749, 1.1879959417328034]
];
var ictcp = new ColorSpace({
  id: "ictcp",
  name: "ICTCP",
  // From BT.2100-2 page 7:
  // During production, signal values are expected to exceed the
  // range E′ = [0.0 : 1.0]. This provides processing headroom and avoids
  // signal degradation during cascaded processing. Such values of E′,
  // below 0.0 or exceeding 1.0, should not be clipped during production
  // and exchange.
  // Values below 0.0 should not be clipped in reference displays (even
  // though they represent “negative” light) to allow the black level of
  // the signal (LB) to be properly set using test signals known as “PLUGE”
  coords: {
    i: {
      refRange: [0, 1],
      // Constant luminance,
      name: "I"
    },
    ct: {
      refRange: [-0.5, 0.5],
      // Full BT.2020 gamut in range [-0.5, 0.5]
      name: "CT"
    },
    cp: {
      refRange: [-0.5, 0.5],
      name: "CP"
    }
  },
  base: XYZ_Abs_D65,
  fromBase(XYZ) {
    let LMS = multiplyMatrices(XYZtoLMS_M$1, XYZ);
    return LMStoICtCp(LMS);
  },
  toBase(ICtCp) {
    let LMS = ICtCptoLMS(ICtCp);
    return multiplyMatrices(LMStoXYZ_M$1, LMS);
  },
  formats: {
    color: {}
  }
});
function LMStoICtCp(LMS) {
  let PQLMS = LMS.map(function(val) {
    let num = c1$1 + c2$1 * (val / 1e4) ** m1;
    let denom = 1 + c3$1 * (val / 1e4) ** m1;
    return (num / denom) ** m2;
  });
  return multiplyMatrices(LMStoIPT_M, PQLMS);
}
function ICtCptoLMS(ICtCp) {
  let PQLMS = multiplyMatrices(IPTtoLMS_M, ICtCp);
  let LMS = PQLMS.map(function(val) {
    let num = Math.max(val ** im2 - c1$1, 0);
    let denom = c2$1 - c3$1 * val ** im2;
    return 1e4 * (num / denom) ** im1;
  });
  return LMS;
}
function deltaEITP(color, sample) {
  let [I1, T1, P1] = ictcp.from(color);
  let [I2, T2, P2] = ictcp.from(sample);
  return 720 * Math.sqrt((I1 - I2) ** 2 + 0.25 * (T1 - T2) ** 2 + (P1 - P2) ** 2);
}
var XYZtoLMS_M = [
  [0.8190224432164319, 0.3619062562801221, -0.12887378261216414],
  [0.0329836671980271, 0.9292868468965546, 0.03614466816999844],
  [0.048177199566046255, 0.26423952494422764, 0.6335478258136937]
];
var LMStoXYZ_M = [
  [1.2268798733741557, -0.5578149965554813, 0.28139105017721583],
  [-0.04057576262431372, 1.1122868293970594, -0.07171106666151701],
  [-0.07637294974672142, -0.4214933239627914, 1.5869240244272418]
];
var LMStoLab_M = [
  [0.2104542553, 0.793617785, -0.0040720468],
  [1.9779984951, -2.428592205, 0.4505937099],
  [0.0259040371, 0.7827717662, -0.808675766]
];
var LabtoLMS_M = [
  [0.9999999984505198, 0.39633779217376786, 0.2158037580607588],
  [1.0000000088817609, -0.10556134232365635, -0.06385417477170591],
  [1.0000000546724108, -0.08948418209496575, -1.2914855378640917]
];
var OKLab = new ColorSpace({
  id: "oklab",
  name: "Oklab",
  coords: {
    l: {
      refRange: [0, 1],
      name: "L"
    },
    a: {
      refRange: [-0.4, 0.4]
    },
    b: {
      refRange: [-0.4, 0.4]
    }
  },
  // Note that XYZ is relative to D65
  white: "D65",
  base: XYZ_D65,
  fromBase(XYZ) {
    let LMS = multiplyMatrices(XYZtoLMS_M, XYZ);
    let LMSg = LMS.map((val) => Math.cbrt(val));
    return multiplyMatrices(LMStoLab_M, LMSg);
  },
  toBase(OKLab2) {
    let LMSg = multiplyMatrices(LabtoLMS_M, OKLab2);
    let LMS = LMSg.map((val) => val ** 3);
    return multiplyMatrices(LMStoXYZ_M, LMS);
  },
  formats: {
    "oklab": {
      coords: ["<percentage> | <number>", "<number> | <percentage>[-1,1]", "<number> | <percentage>[-1,1]"]
    }
  }
});
function deltaEOK(color, sample) {
  let [L1, a1, b1] = OKLab.from(color);
  let [L2, a2, b2] = OKLab.from(sample);
  let \u0394L = L1 - L2;
  let \u0394a = a1 - a2;
  let \u0394b = b1 - b2;
  return Math.sqrt(\u0394L ** 2 + \u0394a ** 2 + \u0394b ** 2);
}
var deltaEMethods = {
  deltaE76,
  deltaECMC,
  deltaE2000,
  deltaEJz,
  deltaEITP,
  deltaEOK
};
function deltaE(c12, c22, o = {}) {
  if (isString(o)) {
    o = { method: o };
  }
  let { method = defaults.deltaE, ...rest } = o;
  c12 = getColor(c12);
  c22 = getColor(c22);
  for (let m3 in deltaEMethods) {
    if ("deltae" + method.toLowerCase() === m3.toLowerCase()) {
      return deltaEMethods[m3](c12, c22, rest);
    }
  }
  throw new TypeError(`Unknown deltaE method: ${method}`);
}
function lighten(color, amount = 0.25) {
  let space = ColorSpace.get("oklch", "lch");
  let lightness = [space, "l"];
  return set(color, lightness, (l) => l * (1 + amount));
}
function darken(color, amount = 0.25) {
  let space = ColorSpace.get("oklch", "lch");
  let lightness = [space, "l"];
  return set(color, lightness, (l) => l * (1 - amount));
}
var variations = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  darken,
  lighten
});
function mix(c12, c22, p2 = 0.5, o = {}) {
  [c12, c22] = [getColor(c12), getColor(c22)];
  if (type(p2) === "object") {
    [p2, o] = [0.5, p2];
  }
  let { space, outputSpace, premultiplied } = o;
  let r = range(c12, c22, { space, outputSpace, premultiplied });
  return r(p2);
}
function steps(c12, c22, options = {}) {
  let colorRange;
  if (isRange(c12)) {
    [colorRange, options] = [c12, c22];
    [c12, c22] = colorRange.rangeArgs.colors;
  }
  let {
    maxDeltaE,
    deltaEMethod,
    steps: steps2 = 2,
    maxSteps = 1e3,
    ...rangeOptions
  } = options;
  if (!colorRange) {
    [c12, c22] = [getColor(c12), getColor(c22)];
    colorRange = range(c12, c22, rangeOptions);
  }
  let totalDelta = deltaE(c12, c22);
  let actualSteps = maxDeltaE > 0 ? Math.max(steps2, Math.ceil(totalDelta / maxDeltaE) + 1) : steps2;
  let ret = [];
  if (maxSteps !== void 0) {
    actualSteps = Math.min(actualSteps, maxSteps);
  }
  if (actualSteps === 1) {
    ret = [{ p: 0.5, color: colorRange(0.5) }];
  } else {
    let step = 1 / (actualSteps - 1);
    ret = Array.from({ length: actualSteps }, (_, i) => {
      let p2 = i * step;
      return { p: p2, color: colorRange(p2) };
    });
  }
  if (maxDeltaE > 0) {
    let maxDelta = ret.reduce((acc, cur, i) => {
      if (i === 0) {
        return 0;
      }
      let \u0394\u0395 = deltaE(cur.color, ret[i - 1].color, deltaEMethod);
      return Math.max(acc, \u0394\u0395);
    }, 0);
    while (maxDelta > maxDeltaE) {
      maxDelta = 0;
      for (let i = 1; i < ret.length && ret.length < maxSteps; i++) {
        let prev = ret[i - 1];
        let cur = ret[i];
        let p2 = (cur.p + prev.p) / 2;
        let color = colorRange(p2);
        maxDelta = Math.max(maxDelta, deltaE(color, prev.color), deltaE(color, cur.color));
        ret.splice(i, 0, { p: p2, color: colorRange(p2) });
        i++;
      }
    }
  }
  ret = ret.map((a2) => a2.color);
  return ret;
}
function range(color1, color2, options = {}) {
  if (isRange(color1)) {
    let [r, options2] = [color1, color2];
    return range(...r.rangeArgs.colors, { ...r.rangeArgs.options, ...options2 });
  }
  let { space, outputSpace, progression, premultiplied } = options;
  color1 = getColor(color1);
  color2 = getColor(color2);
  color1 = clone(color1);
  color2 = clone(color2);
  let rangeArgs = { colors: [color1, color2], options };
  if (space) {
    space = ColorSpace.get(space);
  } else {
    space = ColorSpace.registry[defaults.interpolationSpace] || color1.space;
  }
  outputSpace = outputSpace ? ColorSpace.get(outputSpace) : space;
  color1 = to(color1, space);
  color2 = to(color2, space);
  color1 = toGamut(color1);
  color2 = toGamut(color2);
  if (space.coords.h && space.coords.h.type === "angle") {
    let arc = options.hue = options.hue || "shorter";
    let hue = [space, "h"];
    let [\u03B81, \u03B82] = [get(color1, hue), get(color2, hue)];
    [\u03B81, \u03B82] = adjust(arc, [\u03B81, \u03B82]);
    set(color1, hue, \u03B81);
    set(color2, hue, \u03B82);
  }
  if (premultiplied) {
    color1.coords = color1.coords.map((c4) => c4 * color1.alpha);
    color2.coords = color2.coords.map((c4) => c4 * color2.alpha);
  }
  return Object.assign((p2) => {
    p2 = progression ? progression(p2) : p2;
    let coords = color1.coords.map((start, i) => {
      let end = color2.coords[i];
      return interpolate(start, end, p2);
    });
    let alpha = interpolate(color1.alpha, color2.alpha, p2);
    let ret = { space, coords, alpha };
    if (premultiplied) {
      ret.coords = ret.coords.map((c4) => c4 / alpha);
    }
    if (outputSpace !== space) {
      ret = to(ret, outputSpace);
    }
    return ret;
  }, {
    rangeArgs
  });
}
function isRange(val) {
  return type(val) === "function" && !!val.rangeArgs;
}
defaults.interpolationSpace = "lab";
function register(Color2) {
  Color2.defineFunction("mix", mix, { returns: "color" });
  Color2.defineFunction("range", range, { returns: "function<color>" });
  Color2.defineFunction("steps", steps, { returns: "array<color>" });
}
var interpolation = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  isRange,
  mix,
  range,
  register,
  steps
});
var HSL = new ColorSpace({
  id: "hsl",
  name: "HSL",
  coords: {
    h: {
      refRange: [0, 360],
      type: "angle",
      name: "Hue"
    },
    s: {
      range: [0, 100],
      name: "Saturation"
    },
    l: {
      range: [0, 100],
      name: "Lightness"
    }
  },
  base: sRGB,
  // Adapted from https://en.wikipedia.org/wiki/HSL_and_HSV#From_RGB
  fromBase: (rgb) => {
    let max2 = Math.max(...rgb);
    let min = Math.min(...rgb);
    let [r, g2, b2] = rgb;
    let [h, s, l] = [NaN, 0, (min + max2) / 2];
    let d2 = max2 - min;
    if (d2 !== 0) {
      s = l === 0 || l === 1 ? 0 : (max2 - l) / Math.min(l, 1 - l);
      switch (max2) {
        case r:
          h = (g2 - b2) / d2 + (g2 < b2 ? 6 : 0);
          break;
        case g2:
          h = (b2 - r) / d2 + 2;
          break;
        case b2:
          h = (r - g2) / d2 + 4;
      }
      h = h * 60;
    }
    return [h, s * 100, l * 100];
  },
  // Adapted from https://en.wikipedia.org/wiki/HSL_and_HSV#HSL_to_RGB_alternative
  toBase: (hsl) => {
    let [h, s, l] = hsl;
    h = h % 360;
    if (h < 0) {
      h += 360;
    }
    s /= 100;
    l /= 100;
    function f(n2) {
      let k = (n2 + h / 30) % 12;
      let a2 = s * Math.min(l, 1 - l);
      return l - a2 * Math.max(-1, Math.min(k - 3, 9 - k, 1));
    }
    return [f(0), f(8), f(4)];
  },
  formats: {
    "hsl": {
      toGamut: true,
      coords: ["<number> | <angle>", "<percentage>", "<percentage>"]
    },
    "hsla": {
      coords: ["<number> | <angle>", "<percentage>", "<percentage>"],
      commas: true,
      lastAlpha: true
    }
  }
});
var HSV = new ColorSpace({
  id: "hsv",
  name: "HSV",
  coords: {
    h: {
      refRange: [0, 360],
      type: "angle",
      name: "Hue"
    },
    s: {
      range: [0, 100],
      name: "Saturation"
    },
    v: {
      range: [0, 100],
      name: "Value"
    }
  },
  base: HSL,
  // https://en.wikipedia.org/wiki/HSL_and_HSV#Interconversion
  fromBase(hsl) {
    let [h, s, l] = hsl;
    s /= 100;
    l /= 100;
    let v = l + s * Math.min(l, 1 - l);
    return [
      h,
      // h is the same
      v === 0 ? 0 : 200 * (1 - l / v),
      // s
      100 * v
    ];
  },
  // https://en.wikipedia.org/wiki/HSL_and_HSV#Interconversion
  toBase(hsv) {
    let [h, s, v] = hsv;
    s /= 100;
    v /= 100;
    let l = v * (1 - s / 2);
    return [
      h,
      // h is the same
      l === 0 || l === 1 ? 0 : (v - l) / Math.min(l, 1 - l) * 100,
      l * 100
    ];
  },
  formats: {
    color: {
      toGamut: true
    }
  }
});
var hwb = new ColorSpace({
  id: "hwb",
  name: "HWB",
  coords: {
    h: {
      refRange: [0, 360],
      type: "angle",
      name: "Hue"
    },
    w: {
      range: [0, 100],
      name: "Whiteness"
    },
    b: {
      range: [0, 100],
      name: "Blackness"
    }
  },
  base: HSV,
  fromBase(hsv) {
    let [h, s, v] = hsv;
    return [h, v * (100 - s) / 100, 100 - v];
  },
  toBase(hwb2) {
    let [h, w, b2] = hwb2;
    w /= 100;
    b2 /= 100;
    let sum = w + b2;
    if (sum >= 1) {
      let gray = w / sum;
      return [h, 0, gray * 100];
    }
    let v = 1 - b2;
    let s = v === 0 ? 0 : 1 - w / v;
    return [h, s * 100, v * 100];
  },
  formats: {
    "hwb": {
      toGamut: true,
      coords: ["<number> | <angle>", "<percentage>", "<percentage>"]
    }
  }
});
var toXYZ_M$2 = [
  [0.5766690429101305, 0.1855582379065463, 0.1882286462349947],
  [0.29734497525053605, 0.6273635662554661, 0.07529145849399788],
  [0.02703136138641234, 0.07068885253582723, 0.9913375368376388]
];
var fromXYZ_M$2 = [
  [2.0415879038107465, -0.5650069742788596, -0.34473135077832956],
  [-0.9692436362808795, 1.8759675015077202, 0.04155505740717557],
  [0.013444280632031142, -0.11836239223101838, 1.0151749943912054]
];
var A98Linear = new RGBColorSpace({
  id: "a98rgb-linear",
  name: "Linear Adobe\xAE 98 RGB compatible",
  white: "D65",
  toXYZ_M: toXYZ_M$2,
  fromXYZ_M: fromXYZ_M$2
});
var a98rgb = new RGBColorSpace({
  id: "a98rgb",
  name: "Adobe\xAE 98 RGB compatible",
  base: A98Linear,
  toBase: (RGB) => RGB.map((val) => Math.pow(Math.abs(val), 563 / 256) * Math.sign(val)),
  fromBase: (RGB) => RGB.map((val) => Math.pow(Math.abs(val), 256 / 563) * Math.sign(val)),
  formats: {
    color: {
      id: "a98-rgb"
    }
  }
});
var toXYZ_M$1 = [
  [0.7977604896723027, 0.13518583717574031, 0.0313493495815248],
  [0.2880711282292934, 0.7118432178101014, 8565396060525902e-20],
  [0, 0, 0.8251046025104601]
];
var fromXYZ_M$1 = [
  [1.3457989731028281, -0.25558010007997534, -0.05110628506753401],
  [-0.5446224939028347, 1.5082327413132781, 0.02053603239147973],
  [0, 0, 1.2119675456389454]
];
var ProPhotoLinear = new RGBColorSpace({
  id: "prophoto-linear",
  name: "Linear ProPhoto",
  white: "D50",
  base: XYZ_D50,
  toXYZ_M: toXYZ_M$1,
  fromXYZ_M: fromXYZ_M$1
});
var Et = 1 / 512;
var Et2 = 16 / 512;
var prophoto = new RGBColorSpace({
  id: "prophoto",
  name: "ProPhoto",
  base: ProPhotoLinear,
  toBase(RGB) {
    return RGB.map((v) => v < Et2 ? v / 16 : v ** 1.8);
  },
  fromBase(RGB) {
    return RGB.map((v) => v >= Et ? v ** (1 / 1.8) : 16 * v);
  },
  formats: {
    color: {
      id: "prophoto-rgb"
    }
  }
});
var oklch = new ColorSpace({
  id: "oklch",
  name: "Oklch",
  coords: {
    l: {
      refRange: [0, 1],
      name: "Lightness"
    },
    c: {
      refRange: [0, 0.4],
      name: "Chroma"
    },
    h: {
      refRange: [0, 360],
      type: "angle",
      name: "Hue"
    }
  },
  white: "D65",
  base: OKLab,
  fromBase(oklab) {
    let [L, a2, b2] = oklab;
    let h;
    const \u03B52 = 2e-4;
    if (Math.abs(a2) < \u03B52 && Math.abs(b2) < \u03B52) {
      h = NaN;
    } else {
      h = Math.atan2(b2, a2) * 180 / Math.PI;
    }
    return [
      L,
      // OKLab L is still L
      Math.sqrt(a2 ** 2 + b2 ** 2),
      // Chroma
      constrain(h)
      // Hue, in degrees [0 to 360)
    ];
  },
  // Convert from polar form
  toBase(oklch2) {
    let [L, C, h] = oklch2;
    let a2, b2;
    if (isNaN(h)) {
      a2 = 0;
      b2 = 0;
    } else {
      a2 = C * Math.cos(h * Math.PI / 180);
      b2 = C * Math.sin(h * Math.PI / 180);
    }
    return [L, a2, b2];
  },
  formats: {
    "oklch": {
      coords: ["<number> | <percentage>", "<number> | <percentage>[0,1]", "<number> | <angle>"]
    }
  }
});
var Yw = 203;
var n = 2610 / 2 ** 14;
var ninv = 2 ** 14 / 2610;
var m = 2523 / 2 ** 5;
var minv = 2 ** 5 / 2523;
var c1 = 3424 / 2 ** 12;
var c2 = 2413 / 2 ** 7;
var c3 = 2392 / 2 ** 7;
var rec2100Pq = new RGBColorSpace({
  id: "rec2100pq",
  name: "REC.2100-PQ",
  base: REC2020Linear,
  toBase(RGB) {
    return RGB.map(function(val) {
      let x = (Math.max(val ** minv - c1, 0) / (c2 - c3 * val ** minv)) ** ninv;
      return x * 1e4 / Yw;
    });
  },
  fromBase(RGB) {
    return RGB.map(function(val) {
      let x = Math.max(val * Yw / 1e4, 0);
      let num = c1 + c2 * x ** n;
      let denom = 1 + c3 * x ** n;
      return (num / denom) ** m;
    });
  },
  formats: {
    color: {
      id: "rec2100-pq"
    }
  }
});
var a = 0.17883277;
var b = 0.28466892;
var c = 0.55991073;
var scale = 3.7743;
var rec2100Hlg = new RGBColorSpace({
  id: "rec2100hlg",
  cssid: "rec2100-hlg",
  name: "REC.2100-HLG",
  referred: "scene",
  base: REC2020Linear,
  toBase(RGB) {
    return RGB.map(function(val) {
      if (val <= 0.5) {
        return val ** 2 / 3 * scale;
      }
      return (Math.exp((val - c) / a) + b) / 12 * scale;
    });
  },
  fromBase(RGB) {
    return RGB.map(function(val) {
      val /= scale;
      if (val <= 1 / 12) {
        return Math.sqrt(3 * val);
      }
      return a * Math.log(12 * val - b) + c;
    });
  },
  formats: {
    color: {
      id: "rec2100-hlg"
    }
  }
});
var CATs = {};
hooks.add("chromatic-adaptation-start", (env) => {
  if (env.options.method) {
    env.M = adapt(env.W1, env.W2, env.options.method);
  }
});
hooks.add("chromatic-adaptation-end", (env) => {
  if (!env.M) {
    env.M = adapt(env.W1, env.W2, env.options.method);
  }
});
function defineCAT({ id, toCone_M, fromCone_M }) {
  CATs[id] = arguments[0];
}
function adapt(W1, W2, id = "Bradford") {
  let method = CATs[id];
  let [\u03C1s, \u03B3s, \u03B2s] = multiplyMatrices(method.toCone_M, W1);
  let [\u03C1d, \u03B3d, \u03B2d] = multiplyMatrices(method.toCone_M, W2);
  let scale2 = [
    [\u03C1d / \u03C1s, 0, 0],
    [0, \u03B3d / \u03B3s, 0],
    [0, 0, \u03B2d / \u03B2s]
  ];
  let scaled_cone_M = multiplyMatrices(scale2, method.toCone_M);
  let adapt_M = multiplyMatrices(method.fromCone_M, scaled_cone_M);
  return adapt_M;
}
defineCAT({
  id: "von Kries",
  toCone_M: [
    [0.40024, 0.7076, -0.08081],
    [-0.2263, 1.16532, 0.0457],
    [0, 0, 0.91822]
  ],
  fromCone_M: [
    [1.8599364, -1.1293816, 0.2198974],
    [0.3611914, 0.6388125, -64e-7],
    [0, 0, 1.0890636]
  ]
});
defineCAT({
  id: "Bradford",
  // Convert an array of XYZ values in the range 0.0 - 1.0
  // to cone fundamentals
  toCone_M: [
    [0.8951, 0.2664, -0.1614],
    [-0.7502, 1.7135, 0.0367],
    [0.0389, -0.0685, 1.0296]
  ],
  // and back
  fromCone_M: [
    [0.9869929, -0.1470543, 0.1599627],
    [0.4323053, 0.5183603, 0.0492912],
    [-85287e-7, 0.0400428, 0.9684867]
  ]
});
defineCAT({
  id: "CAT02",
  // with complete chromatic adaptation to W2, so D = 1.0
  toCone_M: [
    [0.7328, 0.4296, -0.1624],
    [-0.7036, 1.6975, 61e-4],
    [3e-3, 0.0136, 0.9834]
  ],
  fromCone_M: [
    [1.0961238, -0.278869, 0.1827452],
    [0.454369, 0.4735332, 0.0720978],
    [-96276e-7, -5698e-6, 1.0153256]
  ]
});
defineCAT({
  id: "CAT16",
  toCone_M: [
    [0.401288, 0.650173, -0.051461],
    [-0.250268, 1.204414, 0.045854],
    [-2079e-6, 0.048952, 0.953127]
  ],
  // the extra precision is needed to avoid roundtripping errors
  fromCone_M: [
    [1.862067855087233, -1.011254630531685, 0.1491867754444518],
    [0.3875265432361372, 0.6214474419314753, -0.008973985167612518],
    [-0.01584149884933386, -0.03412293802851557, 1.04996443687785]
  ]
});
Object.assign(WHITES, {
  // whitepoint values from ASTM E308-01 with 10nm spacing, 1931 2 degree observer
  // all normalized to Y (luminance) = 1.00000
  // Illuminant A is a tungsten electric light, giving a very warm, orange light.
  A: [1.0985, 1, 0.35585],
  // Illuminant C was an early approximation to daylight: illuminant A with a blue filter.
  C: [0.98074, 1, 1.18232],
  // The daylight series of illuminants simulate natural daylight.
  // The color temperature (in degrees Kelvin/100) ranges from
  // cool, overcast daylight (D50) to bright, direct sunlight (D65).
  D55: [0.95682, 1, 0.92149],
  D75: [0.94972, 1, 1.22638],
  // Equal-energy illuminant, used in two-stage CAT16
  E: [1, 1, 1],
  // The F series of illuminants represent fluorescent lights
  F2: [0.99186, 1, 0.67393],
  F7: [0.95041, 1, 1.08747],
  F11: [1.00962, 1, 0.6435]
});
WHITES.ACES = [0.32168 / 0.33767, 1, (1 - 0.32168 - 0.33767) / 0.33767];
var toXYZ_M = [
  [0.6624541811085053, 0.13400420645643313, 0.1561876870049078],
  [0.27222871678091454, 0.6740817658111484, 0.05368951740793705],
  [-0.005574649490394108, 0.004060733528982826, 1.0103391003129971]
];
var fromXYZ_M = [
  [1.6410233796943257, -0.32480329418479, -0.23642469523761225],
  [-0.6636628587229829, 1.6153315916573379, 0.016756347685530137],
  [0.011721894328375376, -0.008284441996237409, 0.9883948585390215]
];
var ACEScg = new RGBColorSpace({
  id: "acescg",
  name: "ACEScg",
  // ACEScg – A scene-referred, linear-light encoding of ACES Data
  // https://docs.acescentral.com/specifications/acescg/
  // uses the AP1 primaries, see section 4.3.1 Color primaries
  coords: {
    r: {
      range: [0, 65504],
      name: "Red"
    },
    g: {
      range: [0, 65504],
      name: "Green"
    },
    b: {
      range: [0, 65504],
      name: "Blue"
    }
  },
  referred: "scene",
  white: WHITES.ACES,
  toXYZ_M,
  fromXYZ_M,
  formats: {
    color: {}
  }
});
var \u03B5 = 2 ** -16;
var ACES_min_nonzero = -0.35828683;
var ACES_cc_max = (Math.log2(65504) + 9.72) / 17.52;
var acescc = new RGBColorSpace({
  id: "acescc",
  name: "ACEScc",
  // see S-2014-003 ACEScc – A Logarithmic Encoding of ACES Data
  // https://docs.acescentral.com/specifications/acescc/
  // uses the AP1 primaries, see section 4.3.1 Color primaries
  // Appendix A: "Very small ACES scene referred values below 7 1/4 stops
  // below 18% middle gray are encoded as negative ACEScc values.
  // These values should be preserved per the encoding in Section 4.4
  // so that all positive ACES values are maintained."
  coords: {
    r: {
      range: [ACES_min_nonzero, ACES_cc_max],
      name: "Red"
    },
    g: {
      range: [ACES_min_nonzero, ACES_cc_max],
      name: "Green"
    },
    b: {
      range: [ACES_min_nonzero, ACES_cc_max],
      name: "Blue"
    }
  },
  referred: "scene",
  base: ACEScg,
  // from section 4.4.2 Decoding Function
  toBase(RGB) {
    const low = (9.72 - 15) / 17.52;
    return RGB.map(function(val) {
      if (val <= low) {
        return (2 ** (val * 17.52 - 9.72) - \u03B5) * 2;
      } else if (val < ACES_cc_max) {
        return 2 ** (val * 17.52 - 9.72);
      } else {
        return 65504;
      }
    });
  },
  // Non-linear encoding function from S-2014-003, section 4.4.1 Encoding Function
  fromBase(RGB) {
    return RGB.map(function(val) {
      if (val <= 0) {
        return (Math.log2(\u03B5) + 9.72) / 17.52;
      } else if (val < \u03B5) {
        return (Math.log2(\u03B5 + val * 0.5) + 9.72) / 17.52;
      } else {
        return (Math.log2(val) + 9.72) / 17.52;
      }
    });
  },
  // encoded media white (rgb 1,1,1) => linear  [ 222.861, 222.861, 222.861 ]
  // encoded media black (rgb 0,0,0) => linear [ 0.0011857, 0.0011857, 0.0011857]
  formats: {
    color: {}
  }
});
var spaces = /* @__PURE__ */ Object.freeze({
  __proto__: null,
  A98RGB: a98rgb,
  A98RGB_Linear: A98Linear,
  ACEScc: acescc,
  ACEScg,
  HSL,
  HSV,
  HWB: hwb,
  ICTCP: ictcp,
  JzCzHz: jzczhz,
  Jzazbz,
  LCH: lch,
  Lab: lab,
  Lab_D65: lab_d65,
  OKLCH: oklch,
  OKLab,
  P3,
  P3_Linear: P3Linear,
  ProPhoto: prophoto,
  ProPhoto_Linear: ProPhotoLinear,
  REC_2020: REC2020,
  REC_2020_Linear: REC2020Linear,
  REC_2100_HLG: rec2100Hlg,
  REC_2100_PQ: rec2100Pq,
  XYZ_ABS_D65: XYZ_Abs_D65,
  XYZ_D50,
  XYZ_D65,
  sRGB,
  sRGB_Linear: sRGBLinear
});
var Color = class {
  /**
   * Creates an instance of Color.
   * Signatures:
   * - `new Color(stringToParse)`
   * - `new Color(otherColor)`
   * - `new Color({space, coords, alpha})`
   * - `new Color(space, coords, alpha)`
   * - `new Color(spaceId, coords, alpha)`
   */
  constructor(...args) {
    let color;
    if (args.length === 1) {
      color = getColor(args[0]);
    }
    let space, coords, alpha;
    if (color) {
      space = color.space || color.spaceId;
      coords = color.coords;
      alpha = color.alpha;
    } else {
      [space, coords, alpha] = args;
    }
    Object.defineProperty(this, "space", {
      value: ColorSpace.get(space),
      writable: false,
      enumerable: true,
      configurable: true
      // see note in https://262.ecma-international.org/8.0/#sec-proxy-object-internal-methods-and-internal-slots-get-p-receiver
    });
    this.coords = coords ? coords.slice() : [0, 0, 0];
    this.alpha = alpha < 1 ? alpha : 1;
    for (let i = 0; i < this.coords.length; i++) {
      if (this.coords[i] === "NaN") {
        this.coords[i] = NaN;
      }
    }
    for (let id in this.space.coords) {
      Object.defineProperty(this, id, {
        get: () => this.get(id),
        set: (value) => this.set(id, value)
      });
    }
  }
  get spaceId() {
    return this.space.id;
  }
  clone() {
    return new Color(this.space, this.coords, this.alpha);
  }
  toJSON() {
    return {
      spaceId: this.spaceId,
      coords: this.coords,
      alpha: this.alpha
    };
  }
  display(...args) {
    let ret = display(this, ...args);
    ret.color = new Color(ret.color);
    return ret;
  }
  /**
   * Get a color from the argument passed
   * Basically gets us the same result as new Color(color) but doesn't clone an existing color object
   */
  static get(color, ...args) {
    if (color instanceof Color) {
      return color;
    }
    return new Color(color, ...args);
  }
  static defineFunction(name, code, o = code) {
    let { instance = true, returns } = o;
    let func = function(...args) {
      let ret = code(...args);
      if (returns === "color") {
        ret = Color.get(ret);
      } else if (returns === "function<color>") {
        let f = ret;
        ret = function(...args2) {
          let ret2 = f(...args2);
          return Color.get(ret2);
        };
        Object.assign(ret, f);
      } else if (returns === "array<color>") {
        ret = ret.map((c4) => Color.get(c4));
      }
      return ret;
    };
    if (!(name in Color)) {
      Color[name] = func;
    }
    if (instance) {
      Color.prototype[name] = function(...args) {
        return func(this, ...args);
      };
    }
  }
  static defineFunctions(o) {
    for (let name in o) {
      Color.defineFunction(name, o[name], o[name]);
    }
  }
  static extend(exports) {
    if (exports.register) {
      exports.register(Color);
    } else {
      for (let name in exports) {
        Color.defineFunction(name, exports[name]);
      }
    }
  }
};
Color.defineFunctions({
  get,
  getAll,
  set,
  setAll,
  to,
  equals,
  inGamut,
  toGamut,
  distance,
  toString: serialize
});
Object.assign(Color, {
  util,
  hooks,
  WHITES,
  Space: ColorSpace,
  spaces: ColorSpace.registry,
  parse,
  // Global defaults one may want to configure
  defaults
});
for (let key of Object.keys(spaces)) {
  ColorSpace.register(spaces[key]);
}
for (let id in ColorSpace.registry) {
  addSpaceAccessors(id, ColorSpace.registry[id]);
}
hooks.add("colorspace-init-end", (space) => {
  var _a;
  addSpaceAccessors(space.id, space);
  (_a = space.aliases) == null ? void 0 : _a.forEach((alias) => {
    addSpaceAccessors(alias, space);
  });
});
function addSpaceAccessors(id, space) {
  Object.keys(space.coords);
  Object.values(space.coords).map((c4) => c4.name);
  let propId = id.replace(/-/g, "_");
  Object.defineProperty(Color.prototype, propId, {
    // Convert coords to coords in another colorspace and return them
    // Source colorspace: this.spaceId
    // Target colorspace: id
    get() {
      let ret = this.getAll(id);
      if (typeof Proxy === "undefined") {
        return ret;
      }
      return new Proxy(ret, {
        has: (obj, property) => {
          try {
            ColorSpace.resolveCoord([space, property]);
            return true;
          } catch (e) {
          }
          return Reflect.has(obj, property);
        },
        get: (obj, property, receiver) => {
          if (property && typeof property !== "symbol" && !(property in obj)) {
            let { index } = ColorSpace.resolveCoord([space, property]);
            if (index >= 0) {
              return obj[index];
            }
          }
          return Reflect.get(obj, property, receiver);
        },
        set: (obj, property, value, receiver) => {
          if (property && typeof property !== "symbol" && !(property in obj) || property >= 0) {
            let { index } = ColorSpace.resolveCoord([space, property]);
            if (index >= 0) {
              obj[index] = value;
              this.setAll(id, obj);
              return true;
            }
          }
          return Reflect.set(obj, property, value, receiver);
        }
      });
    },
    // Convert coords in another colorspace to internal coords and set them
    // Target colorspace: this.spaceId
    // Source colorspace: id
    set(coords) {
      this.setAll(id, coords);
    },
    configurable: true,
    enumerable: true
  });
}
Color.extend(deltaEMethods);
Color.extend({ deltaE });
Object.assign(Color, { deltaEMethods });
Color.extend(variations);
Color.extend({ contrast });
Color.extend(chromaticity);
Color.extend(luminance);
Color.extend(interpolation);
Color.extend(contrastMethods);

// coloredClassApplyerPlugin.ts
var import_view = require("@codemirror/view");
function coloredClassApplyer(domElement) {
  const tagElements = [];
  let hashEl = null;
  [].forEach.call(domElement.getElementsByClassName("cm-hashtag"), (el) => {
    if (el.innerText === "#") {
      hashEl = el;
      return;
    }
    tagElements.push({
      el,
      hashEl,
      className: `colored-tag-${el.innerText.trim().toLowerCase()}`
    });
  });
  tagElements.forEach(({ el, hashEl: hashEl2, className }) => {
    el.classList.forEach((cls) => {
      if (cls.startsWith("colored-tag-") && cls !== className) {
        el.classList.remove(cls);
        hashEl2.classList.remove(cls);
      }
    });
    if (!el.classList.contains(className)) {
      el.classList.add(className);
      hashEl2.classList.add(className);
    }
  });
}
var coloredClassApplyerPlugin = import_view.ViewPlugin.fromClass(class {
  constructor(view) {
    coloredClassApplyer(view.dom);
  }
  update(update) {
    coloredClassApplyer(update.view.dom);
  }
});

// ColoredTagsPluginSettingTab.ts
var import_obsidian = require("obsidian");

// defaultSettings.ts
var DEFAULT_SETTINGS = {
  palette: {
    seed: 0,
    selected: "adaptive-soft" /* ADAPTIVE_SOFT */,
    custom: "e12729-f37324-f8cc1b-72b043-007f4e"
  },
  mixColors: true,
  transition: true,
  accessibility: {
    highTextContrast: false
  },
  knownTags: {},
  _version: 3
};

// ColoredTagsPluginSettingTab.ts
var ColoredTagsPluginSettingTab = class extends import_obsidian.PluginSettingTab {
  constructor(app, plugin) {
    super(app, plugin);
    this.showExperimental = false;
    this.showAccessibility = false;
    this.plugin = plugin;
  }
  renderPalette(paletteEl) {
    paletteEl.empty();
    let palette = this.plugin.palettes.light;
    if (window.matchMedia("(prefers-color-scheme: dark)").matches) {
      palette = this.plugin.palettes.dark;
    }
    palette.forEach((paletteColor, index) => {
      const firstElementStyles = "border-radius: var(--radius-m) 0 0 var(--radius-m)";
      const lastElementStyles = "border-radius: 0 var(--radius-m) var(--radius-m) 0";
      const styles = [index === 0 && firstElementStyles, "flex: 1", "height: 2em", `background-color: ${paletteColor}`, index === palette.length - 1 && lastElementStyles];
      paletteEl.createEl("div", { attr: { style: styles.filter(Boolean).join(";") } });
    });
  }
  renderTags(containerEl) {
    const tagsObject = this.app.metadataCache.getTags();
    const tagsArray = Object.keys(tagsObject);
    if (!tagsArray.length) {
      return;
    }
    const tagEl = containerEl.createEl("div", {
      cls: "tagsExample",
      attr: { style: `display: flex; gap: 0.5em; align-items: center; justify-content: space-between; flex-wrap: wrap; margin: 1em 0 2em;` }
    });
    tagsArray.sort((a2, b2) => {
      return tagsObject[b2] - tagsObject[a2];
    });
    const mostPopularTags = tagsArray.splice(0, 2);
    const mostPopularNestedTags = Object.values(tagsArray.reduce((acc, tag) => {
      const nestingLevel = tag.split("/").length;
      if (!acc[nestingLevel]) {
        acc[nestingLevel] = tag;
      }
      return acc;
    }, {}));
    [...mostPopularTags, ...mostPopularNestedTags].forEach((tag) => {
      const link = tagEl.createEl("a", { attr: { href: tag } });
      link.classList.add("tag");
      link.innerText = tag;
    });
  }
  display() {
    const { containerEl } = this;
    containerEl.empty();
    this.renderTags(containerEl);
    const paletteEl = containerEl.createEl("div", {
      cls: "palette",
      attr: { style: `display: flex; align-items: stretch` }
    });
    this.renderPalette(paletteEl);
    new import_obsidian.Setting(containerEl).setHeading().setName("Palette").setDesc("Select palette").addDropdown(
      (dropdown) => dropdown.addOptions({
        ["adaptive-soft" /* ADAPTIVE_SOFT */]: "\u{1F338} Adaptive soft",
        ["adaptive-bright" /* ADAPTIVE_BRIGHT */]: "\u{1F33A} Adaptive bright",
        ["custom" /* CUSTOM */]: "Custom"
      }).setValue(String(this.plugin.settings.palette.selected)).onChange(async (value) => {
        this.plugin.settings.palette.selected = value;
        await this.plugin.saveSettings();
        this.display();
      })
    );
    if (this.plugin.settings.palette.selected === "custom") {
      const customPaletteField = new import_obsidian.Setting(containerEl).setName("Custom palette").setDesc("").addText((text) => {
        text.inputEl.style.minWidth = "100%";
        text.setValue(this.plugin.settings.palette.custom).setPlaceholder("Paste palette");
        text.onChange(async (value) => {
          if (/^([A-Fa-f0-9]{6}(-|$))+$/i.test(value)) {
            this.plugin.settings.palette.custom = value;
            await this.plugin.saveSettings();
            this.renderPalette(paletteEl);
          }
        });
      });
      customPaletteField.descEl.innerHTML = `
				The format is <code>XXXXXX-XXXXXX-XXXXXX</code> for each RGB color.<br/>
				You can share the best color palettes or get one <a href="https://github.com/pfrankov/obsidian-colored-tags/discussions/18">from the community</a>.
			`.trim();
    }
    new import_obsidian.Setting(containerEl).setName("Palette shift").setDesc("If the colors of some tags don't fit, you can shift the palette.").addSlider(
      (slider) => slider.setLimits(0, this.plugin.palettes.light.length - 1, 1).setValue(this.plugin.settings.palette.seed).onChange(async (value) => {
        slider.showTooltip();
        this.plugin.settings.palette.seed = value;
        await this.plugin.saveSettings();
        this.renderPalette(paletteEl);
      })
    );
    new import_obsidian.Setting(containerEl).setHeading().setName("\u{1F9BE} Accessibility").setDesc("Show accessibility options").addToggle(
      (toggle) => toggle.setValue(this.showAccessibility).onChange(async (value) => {
        this.showAccessibility = value;
        this.display();
      })
    );
    if (this.showAccessibility) {
      new import_obsidian.Setting(containerEl).setName("High text contrast").setDesc("Use only white and black colors for texts").addToggle(
        (toggle) => toggle.setValue(this.plugin.settings.accessibility.highTextContrast).onChange(async (value) => {
          this.plugin.settings.accessibility.highTextContrast = value;
          await this.plugin.saveSettings();
          this.display();
        })
      );
    }
    new import_obsidian.Setting(containerEl).setHeading().setName("\u{1F9EA} Experimental").setDesc("Dangerous actions or insanely unstable options that could be changed or removed in any time").addToggle(
      (toggle) => toggle.setValue(this.showExperimental).onChange(async (value) => {
        this.showExperimental = value;
        this.display();
      })
    );
    if (this.showExperimental) {
      new import_obsidian.Setting(containerEl).setName("Mix colors").setDesc("It helps to make text readable").addToggle(
        (toggle) => toggle.setValue(this.plugin.settings.mixColors).onChange(async (value) => {
          this.plugin.settings.mixColors = value;
          await this.plugin.saveSettings();
          this.display();
        })
      );
      new import_obsidian.Setting(containerEl).setName("Gradient transition").addToggle(
        (toggle) => toggle.setValue(this.plugin.settings.transition).onChange(async (value) => {
          this.plugin.settings.transition = value;
          await this.plugin.saveSettings();
          this.display();
        })
      );
      new import_obsidian.Setting(containerEl).setName("Reset config").setDesc("\u{1F6A8} All colors of all tags will be recalculated as if it was the first launch of the plugin. Requires restart of Obsidian.").addButton(
        (button) => button.setButtonText("Reset").setClass("mod-warning").onClick(async () => {
          new import_obsidian.Notice(`\u2705 Reset is done
Please restart Obsidian`, 1e4);
          button.setDisabled(true);
          button.buttonEl.setAttribute("disabled", "true");
          button.buttonEl.classList.remove("mod-warning");
          this.plugin.settings = Object.assign({}, DEFAULT_SETTINGS);
          await this.plugin.saveData(this.plugin.settings);
        })
      );
    }
  }
};

// main.ts
var ColoredTagsPlugin = class extends import_obsidian2.Plugin {
  constructor() {
    super(...arguments);
    this.renderedTagsSet = /* @__PURE__ */ new Set();
    this.palettes = {
      light: [],
      dark: []
    };
  }
  async onload() {
    await this.loadSettings();
    this.tagsMap = new Map(Object.entries(this.settings.knownTags));
    this.app.workspace.onLayoutReady(async () => {
      await this.saveKnownTags();
      this.reload();
      this.registerEvent(
        this.app.workspace.on("editor-change", (0, import_obsidian2.debounce)(async () => {
          await this.saveKnownTags();
          this.update();
        }, 3e3, true))
      );
      this.registerEvent(
        this.app.workspace.on("active-leaf-change", (0, import_obsidian2.debounce)(async () => {
          await this.saveKnownTags();
          this.update();
        }, 300, true))
      );
      this.addSettingTab(new ColoredTagsPluginSettingTab(this.app, this));
      this.registerEditorExtension(coloredClassApplyerPlugin);
    });
  }
  // O(n^2)
  // Need to be optimized
  async saveKnownTags() {
    let isNeedToSave = false;
    const combinedSet = new Set(this.tagsMap.keys());
    this.getTagsFromApp().forEach((tag) => {
      combinedSet.add(tag);
    });
    const combinedTags = Array.from(combinedSet);
    combinedTags.forEach((tag, index) => {
      const chunks = tag.split("/");
      let combinedTag = "";
      chunks.forEach((chunk, chunkIndex) => {
        const key = [combinedTag, chunk].filter(Boolean).join("/");
        if (!this.tagsMap.has(key)) {
          const siblings = combinedTags.filter((keyd) => {
            return keyd.split("/").length === chunkIndex + 1 && keyd.startsWith(combinedTag);
          });
          const maxValue = siblings.reduce((acc, sibling) => {
            return Math.max(acc, this.tagsMap.get(sibling) || 0);
          }, 0);
          this.tagsMap.set(key, maxValue + 1);
          isNeedToSave = true;
        }
        combinedTag = key;
      });
    });
    if (isNeedToSave) {
      this.settings.knownTags = Object.fromEntries(this.tagsMap.entries());
      await this.saveData(this.settings);
    }
  }
  getTagsFromApp() {
    const tagsArray = Object.keys(this.app.metadataCache.getTags());
    return tagsArray.map((tag) => {
      return tag.replace(/#/g, "");
    }).filter((tag) => !tag.match(/\/$/)).filter((x) => x.length);
  }
  update() {
    const tags = this.tagsMap;
    tags.forEach((order, tagName) => {
      if (!this.renderedTagsSet.has(tagName)) {
        this.renderedTagsSet.add(tagName);
        this.colorizeTag(tagName);
      }
    });
  }
  reload() {
    this.onunload();
    this.generatePalettes();
    this.update();
  }
  async saveSettings() {
    await this.saveData(this.settings);
    this.reload();
  }
  getColors(input, palette, isMixing, isTransition, highTextContrast) {
    const chunks = input.split("/");
    let combinedTag = "";
    const gradientStops = [];
    let backgroundColor;
    let lastColor = "";
    chunks.forEach((chunk) => {
      const key = [combinedTag, chunk].filter(Boolean).join("/");
      const order = this.tagsMap.get(key) || 1;
      const filteredPalette = palette.filter((colorString) => colorString !== lastColor);
      const colorFromPalette = filteredPalette[(order - 1) % filteredPalette.length];
      lastColor = colorFromPalette;
      let newColor;
      if (backgroundColor) {
        if (isMixing) {
          const mixingLevel = isTransition ? 0.5 : 0.4;
          newColor = backgroundColor.mix(
            colorFromPalette,
            mixingLevel,
            { space: "lch" }
          );
          if (newColor.deltaE2000(backgroundColor) < 10) {
            newColor = backgroundColor.mix(
              colorFromPalette,
              mixingLevel + 0.1,
              { space: "lch" }
            );
          }
        } else {
          newColor = new Color(colorFromPalette).to("lch");
        }
      }
      if (!backgroundColor) {
        backgroundColor = new Color(colorFromPalette).to("lch");
        combinedTag = key;
        newColor = backgroundColor;
      }
      gradientStops.push({
        color: newColor.toString({ format: "lch" }),
        chunk
      });
    });
    const background = backgroundColor.toString({ format: "lch" });
    const defaultGap = isTransition ? 50 : 0;
    const gap = defaultGap / gradientStops.length * 2;
    const sumOfGaps = gap * (gradientStops.length - 1);
    const elementSize = (100 - sumOfGaps) / gradientStops.length;
    const linearGradient = gradientStops.map((item, index) => {
      const start = index * (elementSize + gap);
      const end = start + elementSize;
      return `${item.color} ${start}% max(2em, ${end}%)`;
    });
    let color;
    if (highTextContrast) {
      const whiteColor = new Color("white");
      const blackColor = new Color("black");
      const onWhite = Math.abs(backgroundColor.contrast(whiteColor, "APCA"));
      const onBlack = Math.abs(backgroundColor.contrast(blackColor, "APCA"));
      color = onWhite > onBlack ? whiteColor : blackColor;
    } else {
      color = darkenColorForContrast(backgroundColor);
    }
    return { background, color, linearGradient };
  }
  colorizeTag(tagName) {
    tagName = tagName.replace(/#/g, "");
    const tagHref = "#" + tagName.replace(/\//g, "\\/");
    const tagFlat = tagName.replace(/[^0-9a-z-]/ig, "");
    const { background: backgroundLight, color: colorLight, linearGradient: linearGradientLight } = this.getColors(tagName, this.palettes.light, this.settings.mixColors, this.settings.transition, this.settings.accessibility.highTextContrast);
    const { background: backgroundDark, color: colorDark, linearGradient: linearGradientDark } = this.getColors(tagName, this.palettes.dark, this.settings.mixColors, this.settings.transition, this.settings.accessibility.highTextContrast);
    const selectors = [
      `a.tag[href="${tagHref}"]`,
      `.cm-s-obsidian .cm-line span.cm-hashtag.colored-tag-${tagName.toLowerCase().replace(/\//g, "\\/")}`
    ];
    if (tagFlat) {
      selectors.push(`.cm-s-obsidian .cm-line span.cm-tag-${tagFlat.toLowerCase()}.cm-hashtag`);
      selectors.push(`.cm-s-obsidian .cm-line span.cm-tag-${tagFlat}.cm-hashtag`);
    }
    const lightThemeSelectors = selectors.map((selector) => "body " + selector);
    const darkThemeSelectors = selectors.map((selector) => "body.theme-dark " + selector);
    const linearGradientRotation = "108deg";
    appendCSS(`
			${lightThemeSelectors.join(", ")} {
				background-color: ${backgroundLight};
				color: ${colorLight};
				background-image: linear-gradient(${linearGradientRotation}, ${linearGradientLight.join(", ")});
			}
			${darkThemeSelectors.join(", ")} {
				background-color: ${backgroundDark};
				color: ${colorDark};
				background-image: linear-gradient(${linearGradientRotation}, ${linearGradientDark.join(", ")});
			}
		`);
  }
  generatePalettes() {
    if (this.settings.palette.selected === "custom" /* CUSTOM */) {
      const paletteString = this.settings.palette.custom;
      const palette = paletteString.split("-").filter(Boolean).map((str) => `#${str}`);
      if (palette) {
        this.palettes = {
          light: processColorPalette({
            isDarkTheme: false,
            palette,
            seed: this.settings.palette.seed
          }),
          dark: processColorPalette({
            isDarkTheme: true,
            palette,
            seed: this.settings.palette.seed
          })
        };
        return;
      }
    }
    let baseChroma = 16;
    let baseLightness = 87;
    let offset = 35;
    if (this.settings.palette.selected === "adaptive-bright" /* ADAPTIVE_BRIGHT */) {
      baseChroma = 85;
      baseLightness = 75;
    }
    const commonPaletteConfig = {
      paletteSize: 8,
      seed: this.settings.palette.seed,
      isShuffling: true,
      baseChroma,
      baseLightness
    };
    this.palettes = {
      light: generateAdaptiveColorPalette({
        isDarkTheme: false,
        ...commonPaletteConfig,
        constantOffset: offset
      }),
      dark: generateAdaptiveColorPalette({
        isDarkTheme: true,
        ...commonPaletteConfig,
        constantOffset: offset
      })
    };
  }
  async loadSettings() {
    const loadedData = await this.loadData();
    let needToSave = false;
    if (loadedData && loadedData._version < 2) {
      needToSave = true;
      loadedData.palette = 16;
      loadedData._version = 2;
    }
    if (loadedData && loadedData._version < 3) {
      needToSave = true;
      delete loadedData.palette;
      loadedData.palette = {
        ...DEFAULT_SETTINGS.palette,
        seed: loadedData.seed
      };
      if (loadedData.chroma > 16 || loadedData.lightness > 87) {
        loadedData.palette.selected = "adaptive-bright" /* ADAPTIVE_BRIGHT */;
      }
      delete loadedData.chroma;
      delete loadedData.lightness;
      delete loadedData.seed;
      loadedData._version = 3;
    }
    this.settings = Object.assign({}, DEFAULT_SETTINGS, loadedData);
    if (needToSave) {
      await this.saveData(this.settings);
    }
  }
  onunload() {
    this.renderedTagsSet.clear();
    removeCSS();
  }
};
var darkenMemoization = /* @__PURE__ */ new Map();
function darkenColorForContrast(baseColor) {
  const CONTRAST = 4.5;
  const memoizationKey = `${baseColor}`;
  if (darkenMemoization.has(memoizationKey)) {
    return darkenMemoization.get(memoizationKey);
  }
  const colorLight = new Color(baseColor).to("lch");
  const colorDark = new Color(baseColor).to("lch");
  colorLight.c += 3;
  colorDark.c += 20;
  if (colorLight.c > 100) {
    colorLight.c = 100;
  }
  if (colorDark.c > 100) {
    colorDark.c = 100;
  }
  let result = "#fff";
  for (let i = 0; i < 100; i++) {
    if (baseColor.contrastAPCA(colorLight) <= -60 && colorLight.contrastWCAG21(baseColor) >= CONTRAST) {
      result = colorLight.toString();
      break;
    }
    if (baseColor.contrastAPCA(colorDark) >= 60 && colorDark.contrastWCAG21(baseColor) >= CONTRAST) {
      result = colorDark.toString();
      break;
    }
    colorLight.l++;
    colorDark.l--;
  }
  darkenMemoization.set(memoizationKey, result);
  return result;
}
function generateAdaptiveColorPalette({ isDarkTheme, paletteSize, baseChroma, baseLightness, constantOffset, isShuffling, seed }) {
  const hueIncrement = 360 / paletteSize;
  const availableColors = [];
  for (let i = 0; i < paletteSize; i++) {
    const hue = i * hueIncrement + constantOffset;
    let chroma = baseChroma;
    let lightness = baseLightness;
    if (isDarkTheme) {
      chroma = Math.min(Math.round(baseChroma * 1.8), 100);
      lightness = Math.min(Math.round(baseLightness / 2.5), 100);
    }
    const lchColor = new Color("lch", [lightness, chroma, hue % 360]).toString();
    availableColors.push(lchColor);
  }
  if (!isShuffling) {
    return availableColors;
  }
  const result = [];
  let next = 0;
  const len = availableColors.length;
  while (result.length < len) {
    result.push(availableColors[next]);
    availableColors.splice(next, 1);
    next = Math.round(next + availableColors.length / 3) % availableColors.length;
  }
  const cut = result.splice(-seed, seed);
  result.splice(0, 0, ...cut);
  return result;
}
function processColorPalette({ isDarkTheme, palette, seed }) {
  const availableColors = [];
  for (const item of palette) {
    availableColors.push(new Color(item).to("lch").toString());
  }
  const result = availableColors;
  const cut = result.splice(-seed, seed);
  result.splice(0, 0, ...cut);
  return result;
}
var appendingCSSBuffer = [];
function appendCSS(css) {
  appendingCSSBuffer.push(css);
  if (appendingCSSBuffer.length > 1) {
    return;
  }
  Promise.resolve().then(() => {
    let styleEl = document.head.querySelector("[colored-tags-style]");
    if (!styleEl) {
      styleEl = document.head.createEl("style", {
        type: "text/css",
        attr: { "colored-tags-style": "" }
      });
    }
    styleEl.appendText(appendingCSSBuffer.join("\n"));
    appendingCSSBuffer = [];
  });
}
function removeCSS() {
  document.head.querySelectorAll("[colored-tags-style]").forEach((el) => {
    el.remove();
  });
}
